97 developer tools.
Zero waiting. 100% free.
JSON formatting, regex testing, minifiers, encoders, diff checker, and 92 more. Every tool runs instantly in your browser.
Available tools
JSON Formatter
Pretty-print, validate, and minify JSON with syntax highlighting. Instant formatting as you type.
RegEx Tester
Write and test regular expressions with real-time match highlighting and capture groups.
CSS Minifier
Compress stylesheets by stripping whitespace, comments, and redundant declarations.
JavaScript Minifier
Shrink JS payloads with intelligent minification while preserving functionality.
Diff Checker
Compare two text blocks side-by-side. See exactly what changed, line by line.
Base64 Encoder / Decoder
Encode or decode Base64 strings instantly. Supports text, data URIs, and binary.
URL Parser
Deconstruct any URL into its components: protocol, host, path, query params, and hash.
Color Converter
Convert between HEX, RGB, HSL, and other color formats with a live preview.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files.
HTML Entity Encoder / Decoder
Encode or decode HTML entities. Convert characters to < > & and back.
JWT Decoder
Decode JWT tokens and inspect header, payload, and signature. All parsing done client-side.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text for designs and prototypes. Customize paragraphs and sentences.
Markdown Preview
Write Markdown and see the rendered HTML preview update in real time.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Supports BigInt.
Password Generator
Generate strong, secure passwords with customizable length and character types. Crypto-grade randomness.
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back. UTC, local, ISO 8601, and relative time.
URL Encoder / Decoder
Encode or decode URL strings. Convert special characters to percent-encoding and back.
URL Slug Generator
Generate clean, SEO-friendly URL slugs from any text. Lowercase, hyphenated, special chars removed.
UUID Generator
Generate UUID v4 and v1 identifiers. Single or bulk generation with copy support.
Word & Character Counter
Count words, characters, sentences, and paragraphs. Reading time estimates and word frequency analysis.
ASCII Table
Interactive ASCII reference table. Decimal, hex, octal, binary, HTML entity, and character codes.
Aspect Ratio Calculator
Calculate aspect ratios for images and videos. Common presets and custom dimensions.
Base32 Encoder/Decoder
Encode or decode text using Base32 (RFC 4648). Supports standard and hex alphabets.
Border Radius Generator
Visual CSS border-radius generator. Adjust corners individually with live preview.
Character Frequency Counter
Analyze text and count frequency of each character. Sort by count or alphabetically.
Color Blindness Simulator
Simulate how colors appear with different types of color vision deficiency.
Color Palette Generator
Generate random, analogous, complementary, and monochromatic color palettes.
CORS Header Generator
Generate Cross-Origin Resource Sharing headers for your web server.
Country Codes Reference
Browse ISO 3166 country codes. Includes alpha-2, alpha-3, numeric codes, and flags.
Credit Card Validator
Validate credit card numbers using the Luhn algorithm. Identify card type from prefix.
Cron Expression Parser
Parse cron expressions and see next execution times. Human-readable schedule descriptions.
CSP Generator
Generate Content Security Policy headers. Common presets and custom directives.
CSS Beautifier
Format and beautify minified CSS. Proper indentation, line breaks, and spacing.
Box Shadow Generator
Visual CSS box-shadow generator. Adjust offset, blur, spread, and color with live preview.
CSS Specificity Calculator
Calculate CSS selector specificity scores. Visual breakdown of (a,b,c) values.
CSV to JSON Converter
Convert CSV data to JSON format. Handles quoted fields, commas, and nested structures.
Data Size Converter
Convert between bytes, KB, MB, GB, TB, and PB. See all unit equivalents at once.
DNS Record Types Reference
Complete reference of DNS record types with descriptions, examples, and usage.
Duplicate Line Remover
Remove duplicate lines from text. Case-sensitive and case-insensitive options.
.editorconfig Generator
Generate .editorconfig files for consistent coding styles across editors and IDEs.
Favicon Generator
Generate favicon HTML link tags for all platforms and devices.
Flexbox Generator
Visual CSS Flexbox layout generator. Adjust all flex properties with live preview.
Git Cheatsheet
Comprehensive Git command reference. Categorized with descriptions and examples.
Golden Ratio Calculator
Calculate golden ratio proportions. Multiply or divide any number by f (1.618).
CSS Gradient Generator
Visual CSS gradient generator. Linear and radial gradients with color stops and angle control.
CSS Grid Generator
Visual CSS Grid layout generator. Define columns, rows, and gaps with live preview.
.htaccess Generator
Generate .htaccess files with redirects, rewrites, caching, and security directives.
HTML Color Names Reference
Browse all 140+ named HTML colors with hex codes and live swatches.
HTML Formatter
Format and indent HTML code. Proper tag nesting, indentation, and attribute ordering.
HTML Preview
Write HTML, CSS, and JavaScript and see it rendered instantly in a live sandboxed preview.
HTTP Headers Reference
Complete reference of HTTP request and response headers with descriptions and examples.
HTTP Status Codes
Browse all HTTP status codes. Categorized by 1xx, 2xx, 3xx, 4xx, 5xx with descriptions.
Image to Base64
Convert images to Base64 data URIs. Preview image and copy the encoded output.
Indentation Converter
Convert text indentation between tabs and spaces at various sizes.
IP Subnet Calculator
Calculate subnet masks, network addresses, broadcast addresses, and host ranges.
JavaScript Beautifier
Format and beautify minified JavaScript. Proper indentation, line breaks, and syntax.
JSON to CSV Converter
Convert JSON arrays to CSV format. Extract keys as headers and values as rows.
JSON Schema Validator
Validate JSON data against a JSON Schema definition. Catch errors instantly.
JSONPath Evaluator
Evaluate JSONPath expressions against JSON data. Extract and filter nested values.
Keyboard Shortcuts
Comprehensive keyboard shortcuts for VS Code, Chrome DevTools, Terminal, and more.
Language Codes Reference
Browse ISO 639 language codes. Two-letter and three-letter codes with language names.
Line Sorter
Sort text lines alphabetically, numerically, by length, or in random order.
Web App Manifest Generator
Generate web app manifest.json files for Progressive Web Apps.
Meta Tags Generator
Generate complete HTML meta tags for SEO, Open Graph, and Twitter Cards.
MIME Database Browser
Browse the complete MIME type database. Search by type, extension, or category.
MIME Type Lookup
Look up MIME types by file extension or vice versa. Common web MIME types.
Unit Converter
Convert between speed, temperature, angle, length, and weight units.
OpenGraph Preview
Preview how your links will look when shared on Facebook, Twitter, and LinkedIn.
Color Matcher
Browse popular design color palettes including Material Design and Tailwind colors.
Phone Number Formatter
Format phone numbers for different countries. Shows E.164, national, and international formats.
Placeholder Image Generator
Generate placeholder image URLs for prototypes and mockups with custom dimensions.
QR Code Generator
Generate QR codes from URLs or text. Download or copy the QR code image.
Random Number Generator
Generate random numbers within a range. Crypto-grade randomness, unique or repeat.
Random String Generator
Generate random strings with custom character sets, length, and format options.
RegEx Cheatsheet
Quick reference for regular expression syntax, anchors, quantifiers, and flags.
Robots.txt Generator
Generate robots.txt files to control search engine crawler access to your site.
ROT13 Cipher
Encode or decode text using the ROT13 substitution cipher. Same operation both ways.
Schema.org Generator
Generate JSON-LD structured data markup for SEO. Supports Article, Product, FAQ, and more.
Scientific Calculator
Online scientific calculator with trig functions, logarithms, and constants.
Sitemap Generator
Generate XML sitemaps for search engines. Add URLs with priority and change frequency.
SQL Formatter
Format SQL queries with proper keyword casing, indentation, and line breaks.
Stopwatch
Online stopwatch with lap timing. Start, stop, reset, and record split times.
SVG Preview
Write SVG code and see it rendered instantly. Live preview with error checking.
Text to Binary Converter
Convert text to binary and binary to text. Each character shown as 8-bit representation.
Text to Hex Converter
Convert text to hexadecimal and hex to text. Byte-by-byte encoding and decoding.
Text Reverser
Reverse text by character, word, line, or word order. Multiple reversal modes.
Timezone Converter
Convert times between timezones. See current time in major cities worldwide.
Date Difference Calculator
Calculate the difference between two dates in years, months, weeks, days, and more.
Unicode Character Lookup
Look up Unicode characters by name, code point, or character. See encodings and properties.
Unix Time Reference
Reference for Unix timestamps. See current epoch time in multiple formats and resolutions.
URL Shortener Info
Learn about URL shortening and create compact links using popular shortening services.
User Agent Parser
Parse browser User Agent strings to identify browser, OS, device, and engine.
Whitespace Trimmer
Remove extra whitespace from text. Trim, collapse spaces, and clean up formatting.
XML Formatter
Format and beautify XML documents. Proper indentation, tag structure, and validation.
YAML Validator
Validate YAML syntax and structure. Check for indentation errors and formatting issues.
Try the JSON Formatter
Frequently asked questions
Yes, completely free. No accounts, no paywalls, no premium tiers. Every tool on rawparse.dev is free for everyone, forever.
Never. All tools run entirely client-side in your browser. Your data - JSON payloads, regex patterns, code snippets - never touches a server. Nothing is uploaded, stored, or transmitted.
No accounts required. Every tool works immediately the moment you open the page. No registration, no email, no sign-in - just instant utility.
Once a page loads, yes. All tools are static HTML, CSS, and JavaScript. They run entirely in your browser with no server dependency - so if you've visited the page once, most tools work offline.
Pure HTML, CSS, and vanilla JavaScript. No frameworks, no build steps, no server-side runtime. Just fast, lightweight tools built to load instantly and run with zero overhead.