# Online Toolbox

> Free online tools — text processing, image editing, AI writing, format conversion. All tools ready to use.

Online Toolbox is a comprehensive online toolbox offering 112 free web-based utilities. All tools run directly in the browser without installation or registration. The platform supports 7 languages (Chinese, English, Japanese, Korean, French, German, Spanish) and covers categories including text editing, PDF processing, image media, developer tools, AI-powered tools, file converters, and more.

## Key Information

- **Website**: https://malecorps.com/
- **Tools Page**: https://malecorps.com/tools
- **Blog**: https://malecorps.com/blog
- **Tags**: https://malecorps.com/tags
- **Pricing**: https://malecorps.com/pricing
- **Contact**: https://malecorps.com/contact
- **Sitemap**: https://malecorps.com/sitemap.xml
- **Languages**: zh, en, ja, ko, fr, de, es
- **Total Tools**: 112
- **Total Blog Posts**: 30
- **Free Tier**: Yes, most tools are free
- **Pro Tier**: Advanced AI tools and higher usage limits

## Tool Categories

- [Text Editing & Processing](https://malecorps.com/category/text-editing): 
- [PDF & Office Documents](https://malecorps.com/category/pdf-office): 
- [Image & Media](https://malecorps.com/category/image-media): 
- [Developer tools](https://malecorps.com/category/dev-tools): 
- [AI tools](https://malecorps.com/category/ai-tools): 
- [Format Conversion](https://malecorps.com/category/converters): 
- [Other Tools](https://malecorps.com/category/other): 

## All Tools (112 total)

### Text Editing & Processing (15 tools)

- [Lorem Ipsum Generator](https://malecorps.com/tools/lorem-ipsum-generator): Online Lorem Ipsum placeholder text generator, supports custom paragraph count, word count, and sentence count, suitable for design drafts and layout placeholders.
- [Text Deduplication and Sorting](https://malecorps.com/tools/text-dedup-sorter): Online text deduplication and sorting tool, supporting operations such as line-based deduplication, ascending/descending sorting, random shuffling, and removing empty lines.
- [Slug Generator](https://malecorps.com/tools/slug-generator): Convert titles to URL-friendly slugs
- [Text Counter - Free Online Text Statistics Tool](https://malecorps.com/tools/text-counter) [PRO,AI]: An online text counting tool that supports real-time statistics for Chinese and English, character count, word count, line count, and paragraph count. It is completely free and requires no registratio
- [Markdown Editor](https://malecorps.com/tools/markdown-editor): Online Markdown editor with real-time preview, supports syntax highlighting, tables, code blocks, etc., and one-click export to HTML/MD format.
- [Text to HTML](https://malecorps.com/tools/text-to-html): Convert plain text into HTML paragraphs with automatic escaping of special characters.
- [Palindrome Checker](https://malecorps.com/tools/palindrome-checker): Check if text reads the same forwards and backwards. Ignore spaces and case options.
- [Line Break Remover](https://malecorps.com/tools/line-break-remover): Remove line breaks from text, optionally keep paragraph breaks
- [Text Diff Checker](https://malecorps.com/tools/text-diff-checker): An online text diff checker that supports line-by-line comparison of two texts, highlighting additions, deletions, and modifications. Suitable for code review, document version comparison, and more.
- [Markdown Table Generator](https://malecorps.com/tools/markdown-table-generator): Build a table visually or paste from a spreadsheet, then copy the Markdown
- [Word Frequency Analyzer](https://malecorps.com/tools/word-frequency-analyzer): Analyze word frequency in text, supports Chinese and English
- [Text Sorter](https://malecorps.com/tools/text-sorter): Sort text lines alphabetically, by length, or randomly
- [Text Reverser](https://malecorps.com/tools/text-reverser): Reverse text by character, word, or line
- [Text Replacement Tool](https://malecorps.com/tools/text-replacer): Online batch text replacement tool, supporting normal replacement and regular expression replacement, with advanced options such as case sensitivity and whole word matching.
- [Punctuation Remover](https://malecorps.com/tools/punctuation-remover): Remove Chinese and English punctuation from text

### PDF & Office Documents (8 tools)

- [PDF Merge](https://malecorps.com/tools/pdf-merge): Merge multiple PDF files into one document online, free and watermark-free
- [Image to PDF](https://malecorps.com/tools/image-to-pdf): Merge multiple images into a PDF file (local processing)
- [PDF Compression](https://malecorps.com/tools/pdf-compress): Compress the size of PDF files online, reducing volume while maintaining quality
- [PDF Text Extractor](https://malecorps.com/tools/pdf-text-extractor): Online PDF text extraction tool. Upload a PDF to extract its text content, with support for copying or downloading as a TXT file.
- [PDF Rotate Pages](https://malecorps.com/tools/pdf-rotate): Online PDF page rotation tool, allows rotating a single page or batch rotating all pages, supporting 90°/180°/270° rotation angles.
- [QR Code Generator](https://malecorps.com/tools/qr-generator): Quickly generate QR codes, supporting URLs, text, WiFi configurations, etc., with customizable colors and sizes
- [Remove PDF Pages](https://malecorps.com/tools/pdf-remove-pages): Delete unwanted pages from a PDF and download the result, all in your browser
- [PDF to Image](https://malecorps.com/tools/pdf-to-image): Convert PDF pages to PNG images (local processing)

### Image & Media (12 tools)

- [Image Watermark](https://malecorps.com/tools/image-watermark) [PRO]: Online image watermarking tool, supports text watermark and image watermark, customizable position, transparency, size, rotation angle, etc.
- [Image Rotate & Flip](https://malecorps.com/tools/image-rotator): Online image rotation and flipping tool, supporting 90°/180°/270° rotation and horizontal/vertical mirror flip, with real-time preview.
- [Image Compression](https://malecorps.com/tools/image-compressor) [PRO]: Online image compression tool, supports JPG, PNG, WebP formats, intelligent compression maintains clarity
- [Image to Base64](https://malecorps.com/tools/image-to-base64): Convert images to Base64 encoded strings
- [Barcode Generator](https://malecorps.com/tools/barcode-generator): Generate Code128 barcodes online with custom size and color. Live preview and PNG download.
- [Image Metadata Viewer](https://malecorps.com/tools/image-metadata): View image dimensions, format, file size and more
- [Favicon Generator](https://malecorps.com/tools/favicon-generator): Generate website favicon from text or letters
- [CSS Gradient Generator](https://malecorps.com/tools/gradient-generator): Visual CSS gradient generator for linear and radial gradients
- [Image Cropper Tool](https://malecorps.com/tools/image-cropper): Online image cropping tool, supports free cropping, fixed ratio cropping (1:1/4:3/16:9), real-time preview, and one-click download of the cropped result.
- [Color Contrast Checker](https://malecorps.com/tools/color-contrast-checker): Check foreground/background contrast against WCAG standards with AA/AAA rating.
- [Image Resizer](https://malecorps.com/tools/image-resizer): Resize images online with custom dimensions
- [QR Code Reader](https://malecorps.com/tools/qr-reader): Decode QR codes from images or camera locally. Privacy-friendly, no upload to server.

### Developer tools (37 tools)

- [ASCII Table](https://malecorps.com/tools/ascii-table): View ASCII table in decimal and hexadecimal
- [Password Strength Checker](https://malecorps.com/tools/password-strength-checker): Real-time password strength analysis with security score and tips. 100% local, never uploaded.
- [CSS Box Shadow Generator](https://malecorps.com/tools/box-shadow-generator): Visually generate CSS box-shadow with offset, blur, spread, color and inset. Copy code.
- [ROT13 Cipher](https://malecorps.com/tools/rot13-cipher): ROT13 is a symmetric letter-substitution cipher for simple encoding and decoding.
- [Border Radius Generator](https://malecorps.com/tools/border-radius-generator): Visually generate CSS border-radius with independent corner control and copy code.
- [Timestamp Converter](https://malecorps.com/tools/timestamp-converter): Online Unix timestamp and date conversion tool, supporting second/millisecond timestamps, displaying multi-timezone time and relative time.
- [SQL Formatter](https://malecorps.com/tools/sql-formatter): Beautify, minify and convert SQL keyword case with syntax highlighting.
- [Color Palette Generator](https://malecorps.com/tools/color-palette-generator): Generate complementary, analogous, and triadic color palettes
- [Hash Generator](https://malecorps.com/tools/hash-generator): An online hash value generation tool that supports algorithms such as MD5, SHA1, SHA256, SHA512, and can generate hash values for strings or files.
- [Color Picker](https://malecorps.com/tools/color-picker): Online color picker, supports conversion between HEX, RGB, HSL formats
- [Base64 Encoding and Decoding](https://malecorps.com/tools/base64): Base64 encoding and decoding tool, supporting strings and files
- [HTTP Status Codes](https://malecorps.com/tools/http-status-codes): Look up HTTP status codes and their meanings
- [JS Formatter & Minifier](https://malecorps.com/tools/js-formatter): Online JavaScript formatting and minification tool, supports ES6+ syntax, one-click beautify/minify JS code, can detect syntax errors.
- [Caesar Cipher](https://malecorps.com/tools/caesar-cipher): Caesar cipher encoder/decoder with custom shift. Classic substitution cipher with brute-force all shifts.
- [XML Formatter](https://malecorps.com/tools/xml-formatter): Beautify XML code with proper indentation
- [UUID Generator](https://malecorps.com/tools/uuid-generator): Online UUID generation tool, supports UUID v1 and v4 versions, can generate multiple UUIDs in batches, one-click copy, suitable for developers for quick use.
- [Subnet Calculator](https://malecorps.com/tools/subnet-calculator): Calculate network address, broadcast, usable hosts and mask from IP and CIDR prefix.
- [URL Encoder/Decoder Tool](https://malecorps.com/tools/url-encoder-decoder): Online URL encoding and decoding tool, supporting encodeURIComponent and decodeURIComponent operations, helping developers quickly process URL parameters.
- [Aspect Ratio Calculator](https://malecorps.com/tools/aspect-ratio-calculator): Resize dimensions while keeping the aspect ratio, with a visual preview
- [Email Validator](https://malecorps.com/tools/email-validator): Validate email address format online. Support batch validation with detailed results and suggestions.
- [MAC Address Generator](https://malecorps.com/tools/mac-address-generator): Generate random MAC addresses in bulk with custom OUI prefix and format.
- [JSON Formatter](https://malecorps.com/tools/json-formatter): Online JSON formatting, validation, and compression tool, supporting syntax highlighting and tree view
- [HTML Entity Encoder/Decoder](https://malecorps.com/tools/html-entity-encoder): Online HTML entity encoding/decoding tool, supports escaping and unescaping of all HTML special characters to prevent XSS attacks.
- [Chmod Calculator](https://malecorps.com/tools/chmod-calculator): Pick read/write/execute bits and get the octal mode plus the chmod command
- [CSS Formatter & Minifier](https://malecorps.com/tools/css-formatter): Online CSS formatting and minification tool. One-click beautify/minify CSS code, supporting custom indentation, property sorting, and more.
- [IP Address Lookup Tool](https://malecorps.com/tools/ip-address-lookup): Quickly look up the geographic location, ISP, and latitude/longitude of an IP address, supporting both IPv4 and IPv6 addresses.
- [JWT Decoder](https://malecorps.com/tools/jwt-decoder): Decode JWT tokens to view header and payload
- [Regex Tester](https://malecorps.com/tools/regex-tester): Online regex testing tool supporting real-time matching, highlighting, group extraction, and replacement testing. Supports PCRE/JavaScript syntax.
- [HTML Formatter](https://malecorps.com/tools/html-formatter): Beautify HTML code with proper indentation
- [Online Password Generator](https://malecorps.com/tools/online-password-generator): A powerful online password generation tool that supports custom length, character set selection, exclusion of confusing characters, and real-time password strength assessment.
- [YAML Converter](https://malecorps.com/tools/yaml-converter): Convert between YAML and JSON formats
- [Code Minifier & Beautifier](https://malecorps.com/tools/code-minifier): Minify and beautify HTML/CSS/JavaScript with compression ratio display.
- [URL Parser](https://malecorps.com/tools/url-parser): Break a URL into protocol, host, port, path and query parameters, and strip tracking params
- [Timezone Converter](https://malecorps.com/tools/timezone-converter): Convert time between major world timezones and cities in real time.
- [JSON to TypeScript](https://malecorps.com/tools/json-to-typescript): Paste JSON and get TypeScript interfaces, including nested objects and arrays
- [Cron Expression Generator](https://malecorps.com/tools/cron-generator): Visual cron expression generator for scheduled tasks
- [Number Base Converter](https://malecorps.com/tools/number-base-converter): Convert between binary, octal, decimal and hexadecimal. Supports decimals and large integers in real time.

### AI tools (3 tools)

- [AI Writing Assistant](https://malecorps.com/tools/ai-writer) [PRO,AI]: AI intelligent writing, supports copy generation, article continuation, title creation, and SEO optimization suggestions
- [SEO Content Factory](https://malecorps.com/tools/seo-content-factory) [PRO,AI]: AI-driven SEO content generation tool, automatically generates optimized articles
- [Text to Speech](https://malecorps.com/tools/text-to-speech) [PRO,AI]: Online text to speech tool, supporting multiple voices and speed adjustments

### Format Conversion (17 tools)

- [Morse Code Converter](https://malecorps.com/tools/morse-code): Convert text to Morse code and back. Supports letters, numbers and common punctuation with custom separators.
- [Binary to Text](https://malecorps.com/tools/binary-to-text): Decode binary code back to readable text with UTF-8 support. Real-time decoding, the reverse of text to binary.
- [Number to Chinese](https://malecorps.com/tools/number-to-chinese): Convert numbers to Chinese uppercase currency
- [Roman Numeral Converter](https://malecorps.com/tools/roman-numeral-converter): Convert between Arabic and Roman numerals
- [Currency Converter](https://malecorps.com/tools/currency-converter): Convert between major world currencies with customizable exchange rates.
- [Text to Binary](https://malecorps.com/tools/text-to-binary): Convert text to binary code with UTF-8 support. Real-time conversion, perfect for learning encoding and debugging.
- [XML to JSON Converter](https://malecorps.com/tools/xml-to-json): Convert XML data to JSON format
- [Hex to Text](https://malecorps.com/tools/hex-to-text): Decode hexadecimal code to readable text with UTF-8 support. Real-time decoding for debugging and analysis.
- [Markdown to HTML](https://malecorps.com/tools/markdown-to-html): Convert Markdown to HTML in real time with preview, copy and download.
- [HTML to Markdown](https://malecorps.com/tools/html-to-markdown): Convert HTML to Markdown format
- [Unit Converter](https://malecorps.com/tools/unit-converter): Online unit converter supporting precise conversions for length, weight, temperature, currency, and more. Simple and easy-to-use interface, ideal for daily work and study.
- [CSV to JSON](https://malecorps.com/tools/csv-to-json): Online CSV to JSON converter tool, supports custom delimiters, header recognition, one-click conversion and file download.
- [Data Size Converter](https://malecorps.com/tools/data-size-converter): Convert between KB, MB, GB, TB and more. Supports decimal and binary standards.
- [Color Code Converter](https://malecorps.com/tools/color-converter): Online color code conversion tool supporting HEX, RGB, HSL, HSV and other formats, with real-time color preview.
- [JSON to CSV Converter](https://malecorps.com/tools/json-to-csv): Convert JSON array data to CSV format
- [Image Format Conversion](https://malecorps.com/tools/image-converter) [PRO]: Online image format conversion, supports mutual conversion between JPG, PNG, WebP, AVIF
- [English Case Converter](https://malecorps.com/tools/case-converter): Online English case converter tool, supporting multiple conversion modes such as uppercase, lowercase, capitalize, camelCase, snake_case, and more.

### Other Tools (20 tools)

- [Running Pace Calculator](https://malecorps.com/tools/pace-calculator): Convert between pace and finish time, with per-kilometre splits
- [Dice Roller](https://malecorps.com/tools/dice-roller): Roll multiple dice with custom faces online. Fair random results for games and draws.
- [Pomodoro Timer](https://malecorps.com/tools/pomodoro-timer): Pomodoro technique timer with 25-min focus and 5-min break cycles. Customizable.
- [Random Team Generator](https://malecorps.com/tools/random-team-generator): Randomly split a list of names into teams with custom group size or count.
- [Calorie Calculator](https://malecorps.com/tools/calorie-calculator): Calculate daily calorie needs from weight, height, age and activity level.
- [Tip Calculator](https://malecorps.com/tools/tip-calculator): Calculate tip, total and per-person share with custom tip rate and party size.
- [Business Days Calculator](https://malecorps.com/tools/business-days-calculator): Count business days between two dates, excluding weekends and custom dates
- [Date Difference Calculator](https://malecorps.com/tools/date-diff-calculator): Calculate days, weeks, months and years between two dates. Supports any date range.
- [Discount Calculator](https://malecorps.com/tools/discount-calculator): Calculate discounted price and savings. Supports percentage and amount-off modes in real time.
- [Loan Calculator](https://malecorps.com/tools/loan-calculator): Calculate monthly payments for equal principal and interest
- [Stopwatch](https://malecorps.com/tools/stopwatch): Online stopwatch with start, pause, lap and reset. Millisecond precision.
- [Random Number Generator](https://malecorps.com/tools/random-number-generator): Online random number generation tool, supports generating integers or decimals within a specified range, and can batch generate non-repeating random number sequences.
- [Percentage Calculator](https://malecorps.com/tools/percentage-calculator): Various percentage calculations
- [BMI Calculator](https://malecorps.com/tools/bmi-calculator): Calculate Body Mass Index and health level
- [Countdown Timer](https://malecorps.com/tools/countdown-timer): Online countdown timer with custom hours, minutes and seconds, alarm on finish.
- [Sleep Calculator](https://malecorps.com/tools/sleep-calculator): Find the best bedtime or wake-up time based on 90-minute sleep cycles
- [Online Calculator](https://malecorps.com/tools/calculator): A multifunctional online calculator supporting basic operations, scientific calculations, and percentage calculations, with a clean and clear interface.
- [Date Add & Subtract Calculator](https://malecorps.com/tools/date-add-subtract): Add or subtract days, weeks, months or years from any date
- [Fuel Cost Calculator](https://malecorps.com/tools/fuel-cost-calculator): Calculate trip fuel cost from distance, consumption and fuel price.
- [Age Calculator](https://malecorps.com/tools/age-calculator): Calculate exact age in years, months, days

## Blog Posts (30 recent)

- [How to Use a Favicon Generator: Complete Steps from Image to Website Icon](https://malecorps.com/blog/favicon-sheng-cheng-qi-zen-me-yong-cong-tu-pian-dao-wang-zhan-tu-biao-de-wan-zheng-bu-zhou): Use a favicon generator to turn a square image into a website icon that displays correctly in browser tabs and on mobile home screens. From preparing assets to deployment troubleshooting, this covers 
- [How to Use a Cron Expression Generator: Complete Beginner Steps](https://malecorps.com/blog/cron): Use an online tool to select the five time fields, automatically generate a standard Cron expression with a human-readable time explanation, and learn to troubleshoot execution time deviations caused 
- [How to Use an Online CSV to JSON Tool: Beginners Can Get Started in Three Steps](https://malecorps.com/blog/csv-json-bc14): Use a three-step process to complete an online CSV to JSON tool operation, covering option settings, result validation, error troubleshooting, large file handling, mobile operation, and API debugging 
- [What Is HTML Formatting? A Beginner's Guide to the Key Points](https://malecorps.com/blog/html): Use a browser-based HTML formatting tool that runs locally to restore compressed or messy HTML into an indented, readable structure. Also understand the difference between formatting and minification,
- [The Difference Between JS Formatting/Minification and Manual Code Cleanup: Which Is More Suitable](https://malecorps.com/blog/js): The difference between JS formatting/compression and manual cleanup comes down to automation versus human judgment. Formatting and compression are handled in bulk by tools according to rules—fast and 
- [How to Fix Chinese Garbled Text After JSON to CSV Conversion](https://malecorps.com/blog/json-csv): It only takes three steps to locate and fix Chinese garbled text after JSON to CSV conversion: confirm the export encoding is UTF-8, add a BOM to the file, and open it using the import method. This ar
- [CSV to JSON Online: Convert in 3 Simple Steps](https://malecorps.com/blog/csv-json): Convert CSV files into clean, valid JSON in your browser in three steps, with no upload and no software to install.
- [BMI Calculator: What Your Result Actually Means](https://malecorps.com/blog/bmi-calculator-what-your-result-actually-means): Get a clear, instant BMI result with category guidance and unit conversion handled for you.
- [JSON Formatter Not Working? Fix Invalid JSON Errors](https://malecorps.com/blog/json-formatter-not-working-fix-invalid-json-errors): Paste broken JSON into a browser-based formatter, find the exact syntax error, and fix it fast without uploading your data anywhere.
- [Methods and Steps to Solve AI Output Format Chaos with HTML to Markdown Conversion](https://malecorps.com/blog/html-to-markdown): Pasting AI-output HTML directly causes chaos in headings, lists, tables, and bold text, and mixes in tags and entity characters. The standard approach is to keep the complete HTML source code, use a c
- [How to Merge PDF Files Properly: A Complete Workflow](https://malecorps.com/blog/how-to-merge-pdf-files-properly): Merge PDF files in the right order without losing bookmarks, form fields, or signature validity — a step-by-step workflow for desktop, Mac, and mobile.
- [Why XML Formatting Still Matters: A Practical Debugging Guide](https://malecorps.com/blog/why-xml-formatting-still-matters): Format messy XML into a readable, indented tree in your browser, spot mismatched tags fast, and debug API and config files without uploading your data.
- [BMI Calculator Guide: Healthy Range, Formula and Common Misreads](https://malecorps.com/blog/bmi-calculator-guide): See what your height and weight mean for a healthy range, and learn the common misreads that lead people to the wrong conclusion.
- [ASCII Table Reference: Character Codes and When You Need Them](https://malecorps.com/blog/ascii-table-reference): Look up any ASCII character code in seconds, understand control characters and encoding differences, and fix invisible-character problems in your text files.
- [How to Speed Up Drafting With an AI Writing Assistant](https://malecorps.com/blog/how-to-speed-up-drafting): Draft faster without losing your voice: a step-by-step workflow for using an AI writing assistant, plus the editing checks that keep quality high.
- [Favicon Generator Guide: From One Image to a Full Icon Set](https://malecorps.com/blog/favicon-generator-guide): Generate a complete favicon set from one square image, with the exact sizes browsers, iOS and Android expect.
- [JS Formatting and Minification: What to Do Before You Deliver Code](https://malecorps.com/blog/js-formatting-and-minification): Format and minify JavaScript in the right order, verify the build, and deliver code that is both readable for reviewers and small for browsers.
- [Web Content Cleanup: Turning Noisy HTML Into Clean Markdown](https://malecorps.com/blog/web-content-cleanup): Turn messy copied web pages into clean, structured Markdown you can edit, search and publish, using a five-step browser workflow.
- [API Data Governance: Using JSON Formatting for Validation and Debugging](https://malecorps.com/blog/api-data-governance): Format, validate, and debug JSON payloads locally in your browser, so malformed API responses get fixed in seconds instead of hours.
- [CSV to JSON in Practice: Getting Spreadsheet Data Into Your Code](https://malecorps.com/blog/csv-to-json-in-practice): Convert CSV files to clean JSON in your browser, with control over headers, data types, and output structure, without uploading your data.
- [CSS Shadow Generator: A Practical box-shadow Parameter Handbook](https://malecorps.com/blog/css-shadow-generator): A CSS shadow generator lets you preview in real time and copy the code by dragging sliders, helping you quickly build visual hierarchy in your portfolio. The core approach is to stack two or three lay
- [Batch Content Workflow: Converting HTML to Markdown at Volume](https://malecorps.com/blog/batch-content-workflow): Convert HTML to Markdown at volume with a repeatable batch workflow covering triage, conversion, normalisation and verification.
- [How to Choose a JS Formatter: Criteria and Use Cases](https://malecorps.com/blog/how-to-choose-a-js-formatter): A practical checklist for picking a JS formatter that stays deterministic, integrates with your editor and CI, and fits how your team actually works.
- [JSON to CSV: Turning API Data Into a Readable Table](https://malecorps.com/blog/json-to-csv): Convert JSON API responses into clean, sortable CSV tables in your browser, with a step-by-step workflow that catches silent data loss before it reaches your spreadsheet.
- [Rotating PDF Pages: Fixing Wrong Orientation in Bulk](https://malecorps.com/blog/rotating-pdf-pages): Fix sideways or upside-down PDF pages in one pass instead of opening each page by hand.
- [UUID Generator Guide: Version Differences and How to Choose](https://malecorps.com/blog/uuid-generator-guide): Generate a version 4 or version 7 UUID in your browser, with no signup and no data leaving your device, and pick the right version in seconds.
- [CSS Formatting and Minification: Getting the Order Right](https://malecorps.com/blog/css-formatting-and-minification): Format your CSS source, minify it into a separate build file, and deploy only the compact version without ever losing the readable original.
- [JSON Formatter: A Complete Method for Tracking Down API Field Issues](https://malecorps.com/blog/json-formatter-complete-method-for-tracking): Format a raw API response in your browser to find the exact path and type of a broken field, then fix it without guesswork.
- [HTML Formatting Rules: Indentation, Attribute Wrapping and Nesting](https://malecorps.com/blog/html-formatting-rules): Format your HTML consistently with practical indentation, attribute wrapping and nesting rules that keep markup readable as your files grow.
- [SQL Formatting Conventions: Making Complex Queries Readable](https://malecorps.com/blog/sql-formatting-conventions): Format messy queries into clean, scannable SQL with consistent indentation, keyword casing and join layout, so reviews and debugging take minutes instead of hours.

## Tags

- [Image tools](https://malecorps.com/tags/image-tools): Free online image tools: compression, format conversion, resizing and more — no installation, right in your browser.
- [PDF tools](https://malecorps.com/tags/pdf-tools): Practical PDF tools online: merge, compress and convert, with your documents processed locally to protect privacy.
- [Text tools](https://malecorps.com/tags/text-tools): Online text tools: word and character counts, line and paragraph analysis, with mixed-script support.
- [Developer tools](https://malecorps.com/tags/dev-tools): Essential developer utilities online: JSON formatting, Base64 encoding, colour pickers and more to speed up development.
- [AI tools](https://malecorps.com/tags/ai-tools): AI-powered tools online: writing assistant, text to speech and SEO content generation to speed up your work.
- [Converters](https://malecorps.com/tags/conversion-tools): Online format converters: image formats (JPG/PNG/WebP/AVIF), encoding and decoding — one place for every conversion.
- [Free tools](https://malecorps.com/tags/free-tools): Completely free online tools with no sign-up: character counting, QR generation, PDF merging and compression, and more.
- [Pro tools](https://malecorps.com/tags/pro-tools): Advanced and premium features: AI writing, image compression and conversion, text to speech and SEO content generation.

## Notes for AI/LLM Systems

- All tools are browser-based and process data locally (no server upload) unless explicitly stated
- AI-powered tools use external APIs and are rate-limited
- Content is available in 7 languages via subdomain routing (cn., en., ja., ko., fr., de., es.)
- Each tool page includes FAQ, usage instructions, and related tools
- Structured data (JSON-LD) is available on all pages for machine reading
- The sitemap at https://malecorps.com/sitemap.xml contains all indexed URLs with hreflang annotations

## FAQ

- **What is Online Toolbox?** — A free online toolbox with 112 browser-based utilities covering text editing, PDF processing, image editing, developer tools, file converters and AI-powered tools, available in 7 languages.
- **Is it free?** — Yes. Most tools are completely free. A Pro tier unlocks advanced AI tools and higher daily usage limits.
- **Do tools require registration or installation?** — No. All basic tools run instantly in the browser, no account or installation needed.
- **Are uploaded files sent to a server?** — No. Tools process data locally in your browser for privacy.
- **Which languages are supported?** — Chinese (cn.), English, Japanese, Korean, French, German and Spanish via subdomains.
- **Where can users find tools?** — Browse https://malecorps.com/tools, search from https://malecorps.com/search, or explore category pages such as https://malecorps.com/category/dev-tools.
- **Does the site have a blog?** — Yes, https://malecorps.com/blog covers tool tutorials, tips and tech sharing.

## Recommended Tools (Top 12)

- [ASCII Table](https://malecorps.com/tools/ascii-table): View ASCII table in decimal and hexadecimal
- [Password Strength Checker](https://malecorps.com/tools/password-strength-checker): Real-time password strength analysis with security score and tips. 100% local, never uploaded.
- [CSS Box Shadow Generator](https://malecorps.com/tools/box-shadow-generator): Visually generate CSS box-shadow with offset, blur, spread, color and inset. Copy code.
- [ROT13 Cipher](https://malecorps.com/tools/rot13-cipher): ROT13 is a symmetric letter-substitution cipher for simple encoding and decoding.
- [Border Radius Generator](https://malecorps.com/tools/border-radius-generator): Visually generate CSS border-radius with independent corner control and copy code.
- [Lorem Ipsum Generator](https://malecorps.com/tools/lorem-ipsum-generator): Online Lorem Ipsum placeholder text generator, supports custom paragraph count, word count, and sentence count, suitable for design drafts and layout 
- [Timestamp Converter](https://malecorps.com/tools/timestamp-converter): Online Unix timestamp and date conversion tool, supporting second/millisecond timestamps, displaying multi-timezone time and relative time.
- [Running Pace Calculator](https://malecorps.com/tools/pace-calculator): Convert between pace and finish time, with per-kilometre splits
- [Image Watermark](https://malecorps.com/tools/image-watermark): Online image watermarking tool, supports text watermark and image watermark, customizable position, transparency, size, rotation angle, etc.
- [Dice Roller](https://malecorps.com/tools/dice-roller): Roll multiple dice with custom faces online. Fair random results for games and draws.
- [AI Writing Assistant](https://malecorps.com/tools/ai-writer): AI intelligent writing, supports copy generation, article continuation, title creation, and SEO optimization suggestions
- [Morse Code Converter](https://malecorps.com/tools/morse-code): Convert text to Morse code and back. Supports letters, numbers and common punctuation with custom separators.