JSON Formatter
Format, validate, and beautify JSON with syntax highlighting.
Open JSON FormatterFree Developer Tools & AI Utilities
Free Developer Tools & AI Utilities
A powerful collection of developer tools and AI-powered utilities. Format JSON, decode JWT tokens, convert files, test regex patterns, generate code, create SQL queries, and automate development tasks using AI.
Trusted by worlds largest companies including...
Core Features of our Tools
Developer utilities for JSON, encoding, security, text, and AI-powered tasks. All run in your browser.
JSON & Data Tools
Format, validate, and convert JSON data instantly using fast browser-based utilities.
Encoding & Security Tools
Decode JWT tokens, generate hashes, encode URLs, and work with Base64 and security utilities.
Text & Regex Utilities
Test regex patterns, manipulate text, convert formats, and process strings easily.
AI Developer Tools
Use AI-powered tools to generate code, write SQL queries, create commit messages, explain errors, and automate development workflows.
Fast Browser-Based Tools
All tools run in your browser. No sign-up required.
Free for Developers
Use every utility without limits. Built for daily development workflows.
Browse tools by category.
Browse tools organized into categories to quickly find the utility you need. JSON Tools, Encoding Tools, Security Tools, Text Tools, File Converters, Date & Time Tools, Color Tools, URL Tools, AI Developer Tools, and more.
Developer tools that run in your browser
Format JSON, decode JWTs, test regex, and use AI to generate code—all without leaving the page.
Boost your productivity with free developer utilities.
No login, no limits. Use JSON formatter, Base64, JWT decoder, and more every day.
AI developer tools when you need them
AI-powered utilities designed to help developers generate code, automate tasks, and improve productivity. Text Generator, Code Generator, Image Generator, Email Generator, SQL Generator, Regex Generator, Commit Message Generator, API Documentation Generator, Error Explainer, Code Refactor Tool, and more.
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What our users say
Developers use our tools for JSON, JWT, Base64, regex, and more. Fast and free.
Ralph Edwards
Big Kahuna Burger Ltd
This platform saves me hours when debugging JSON and working with APIs.
Albert Flores
Biffco Enterprises Ltd.
Having all developer tools and AI utilities in one place makes my workflow much faster.
Jenny Wilson
Acme Co.
The regex tester and JSON formatter are exactly what I needed. Clean UI and they just work.
Esther Howard
Barone LLC.
Finally a place with all the small utilities in one spot. Base64 and UUID generator are bookmarked.
Darlene Robertson
Abstergo Ltd.
The AI tools for regex and code explanation are surprisingly good. Saves me a lot of searching.
Devon Lane
Binford Ltd.
Free, fast, and no account required. This is how developer tools should be.
Top tools
Browse all toolsPopular tools
Base64 Encoder
Encode text to Base64.
Open Base64 EncoderRegex Tester
Test regular expressions and highlight matches.
Open Regex TesterJWT Decoder
Decode and inspect JWT header and payload.
Open JWT DecoderJSON Validator
Validate JSON syntax and get clear error messages.
Open JSON ValidatorJSON Minifier
Minify JSON by removing whitespace and newlines.
Open JSON MinifierJSON Pretty Print
Format JSON with indentation for readability.
Open JSON Pretty PrintRegex Explainer
Explain regular expressions in plain language.
Open Regex ExplainerBase64 Decoder
Decode Base64 to text.
Open Base64 DecoderURL Encoder
Encode text for use in URLs.
Open URL EncoderURL Decoder
Decode URL-encoded text.
Open URL DecoderUUID Generator
Generate UUID v4 identifiers.
Open UUID GeneratorUUID Validator
Validate UUID strings (v1–v5).
Open UUID ValidatorJWT Generator
Create a signed JWT (HS256) from header/payload.
Open JWT GeneratorSHA256 Generator
Compute SHA-256 hash of text.
Open SHA256 GeneratorMD5 Generator
Compute MD5 hash of text.
Open MD5 GeneratorPassword Generator
Generate secure random passwords.
Open Password GeneratorQuery String Parser
Parse query strings into key/value pairs.
Open Query String ParserHTTP Header Parser
Parse raw HTTP headers into key/value pairs.
Open HTTP Header ParserHTML Minifier
Minify HTML by removing comments and extra whitespace.
Open HTML MinifierJS Minifier
Minify JavaScript code.
Open JS MinifierPopular Developer Tools
Explore tool hubsFree Developer Tools
A broad hub linking top free online coding utilities and debugging tools.
Open hubJSON Tools Online
Formatter, validator, minifier, diff, and converters for JSON workflows.
Open hubRegex Tools
Tester, generator, explainer, and text utilities for regex debugging.
Open hubEncoding Tools
Base64, URL, and HTML encoding/decoding tools for transport-safe data.
Open hubDeveloper Utilities
Lookups, validators, generators, and parsers for day-to-day engineering tasks.
Open hubLegal Tools
View all legal toolsPrivacy Policy Generator
Generate a privacy policy draft for your website in minutes.
Open generatorTerms & Conditions Generator
Generate terms and conditions for your website or product.
Open generatorTop AI tools
View all AI toolsCategories
View all categoriesJSON Tools
A collection of developer utilities for working with JSON including formatters, validators, converters, and debugging tools.
View toolsEncoding Tools
Encode and decode text and binary data with Base64, URL encoding, HTML entities, and more.
View toolsSecurity Tools
JWT decoding, UUID generation and validation, password and hash generators for development and testing.
View toolsText Tools
Regex testing, diff viewers, case conversion, slug generation, word count, and other text utilities.
View toolsWeb Development Tools
CSS and JS minifiers and beautifiers, meta tag and robots.txt generators, and other web dev utilities.
View toolsDeveloper Utilities
Handy utilities for day-to-day development: lookups, generators, parsers, and quick checks.
View toolsLatest guides
Read the blogAI for Coding in 2026 | Free AI Coding Tools and Code Fixers
Discover the best AI for coding, including top AI coding tools, code fixers, and DeepCode AI alternatives to boost your development workflow.
Read articleJSON Formatter vs JSON Validator
When to use a JSON formatter versus a JSON validator, and how both tools help you work with JSON data.
Read articleHow to Decode JWT Tokens
Learn how to decode and inspect JWT (JSON Web Token) headers and payloads using a free online JWT decoder.
Read articleBest Developer Tools 2026
A roundup of the best free developer tools for 2026: JSON, encoding, regex, and productivity utilities.
Read articleWhat Is Base64 Encoding?
Understand Base64 encoding: what it is, when to use it, and how to encode or decode with free online tools.
Read articleRegex Explained for Developers
A practical guide to regular expressions for developers. Learn patterns, flags, and how to test regex online.
Read articleFrequently Asked Questions
Common questions about our developer tools and AI utilities. Still confused? Feel free to contact us.
Yes. All developer tools on this platform are free to use. There are no usage limits for tools like JSON formatter, JWT decoder, Base64 encoder, regex tester, UUID generator, and the rest of the collection.