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JSON Formatter
Format and beautify messy JSON with proper indentation. Validate structure, convert to YAML, and minify for production.
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HTTP Status Codes
Interactive cheat sheet for every REST API code from 100 to 599. Search, click to copy, and read plain-English descriptions.
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JSON Validator
Validate JSON and pinpoint errors with exact line and column numbers. Format valid JSON on the spot.
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JSON to TypeScript
Paste JSON to instantly generate clean TS interfaces and types. Handles nested objects, arrays, and optional fields.
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JSON to CSV Converter
Convert between JSON and CSV with live preview, auto-delimiter detection, and nested data support.
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Hide Message in Image
Hide a secret text message inside a PNG using steganography, with optional password encryption.
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CSV to JSON Converter
Paste CSV or JSON and get instant conversion with live preview. Auto-detects delimiters and works both directions.
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YAML to JSON Converter
Convert between YAML and JSON with real-time validation. Paste on either side for instant conversion.
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XML to JSON Converter
Convert XML documents to JSON. Attributes get an @ prefix, repeated tags become arrays, empty elements become null.
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JSON to XML Converter
Convert JSON to clean XML with instant formatting and validation. Supports attributes and custom root elements.
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XML Formatter & Validator
Format messy XML with proper indentation and validate structure. Minify for production use.
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Regex Tester
Test regular expressions with live syntax highlighting, capture groups, and a replace mode.
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SQL Formatter
Format, parse, and minify SQL queries across a dozen dialects. Clean up messy database code instantly.
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Diff Checker
Compare text or code side-by-side with highlighted differences. Supports inline and unified diff views.
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HTML Formatter & Minifier
Format, beautify, or minify HTML code. Converts messy markup into clean, properly indented output.
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CSS Formatter & Minifier
Format, beautify, or minify CSS stylesheets. Clean up messy code or compress for production.
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JS Beautifier & Minifier
Format, beautify, or minify JavaScript code. Clean up messy scripts or compress for production.
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HTML to Markdown
Convert HTML to clean Markdown with GitHub Flavored Markdown support for tables and code blocks.
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HTML Encode / Decode
Encode text to safe HTML entities or decode them back to plain text. Live bidirectional conversion.
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Base64 Encode & Decode
Encode text or files to Base64 for embedding in code, or decode Base64 strings back to readable content.
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Base64 to Image
Paste a Base64 string or data URI to instantly preview and download PNG, JPG, and SVG files.
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URL Encoder / Decoder
Encode special characters for safe URLs or decode percent-encoded strings back to readable text.
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Image to Base64
Encode images to base64 data URIs for embedding directly in HTML, CSS, or JSON.
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Code to Image
Turn code snippets into syntax-highlighted images. Customize themes, fonts, and export as PNG.
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UUID Generator
Generate UUID v4 identifiers instantly. Create single or bulk UUIDs with one click - copy, format or download.
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Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files. Verify file integrity with checksum comparison.
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AES Encrypt & Decrypt
Encrypt and decrypt text with AES-256 and password-based key derivation. Your text and passwords stay in your browser.
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Binary Translator
Convert text to binary or binary to text. Supports all Unicode characters with UTF-8 encoding.
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Slug Generator
Convert any text into clean, URL-friendly slugs. Handles accents, special characters, and bulk input.
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Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates. Supports UTC and local time.
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JWT Decoder
Decode and inspect JWT tokens. View header, payload, and expiration details without sending data to a server.
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Chmod Calculator
Toggle read, write, and execute permissions for owner, group, and others. Generates octal, symbolic, and terminal outputs.
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Cron Expression Generator
Build cron schedules visually or edit expressions directly - with instant human-readable preview and next run times.
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Favicon Generator
Generate all favicon sizes instantly. Download as .ico or individual PNG files.
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SQL Table Generator
Build CREATE TABLE statements visually for MySQL, PostgreSQL, SQLite and more.
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README Generator
Generate a professional markdown README.md for your open-source project. Add badges, installation steps, and code snippets.
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CSS Box Shadow Generator
Design layered CSS box shadows visually with drag controls. Copy standard CSS or Tailwind code.
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CSS Gradient Generator
Create linear, radial, and conic CSS gradients visually. Drag color stops and copy the code.
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SEO Meta Tag Generator
Generate HTML title tags, meta descriptions, and Open Graph markup. Preview your Google search snippet.
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Robots.txt Generator
Generate robots.txt files to control search engine access and block AI training crawlers like GPTBot.
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Sitemap Generator
Paste a list of URLs to build a valid sitemap.xml. Set lastmod, changefreq, and priority globally or per path.
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Color Contrast Checker
Check text and background color contrast for WCAG AA and AAA accessibility compliance.
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File X-Ray
Look inside any file. See the raw bytes as a visual map, find hidden data and metadata, and check what a file really contains before you share it.
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Fingerprint
See everything a website can quietly detect about your device, browser, and hardware.