Developer tools, one place

The utilities you actually search for — JSON, JWT, Base64, regex, hashes — in one tab. No account, no npm install. Just paste and go.

All tools

JSON Formatter & Validator

Format, validate, and beautify JSON with syntax highlighting.

Formatters

JWT Decoder

Decode and inspect JSON Web Token header and payload.

Security

Base64 Encoder / Decoder

Encode and decode text or files to Base64 and back.

Encoders & Decoders

UUID Generator

Generate UUIDs (v4) for unique identifiers.

Generators

Regex Tester

Test regular expressions with live matches and groups.

Testing

Timestamp Converter

Convert between Unix timestamp and human-readable date.

Converters

SQL Formatter

Format and beautify SQL queries for readability.

Formatters

URL Encoder / Decoder

Encode or decode URL components and query strings.

Encoders & Decoders

Password Generator

Generate secure random passwords with custom options.

Generators

Hash Generator

Generate MD5, SHA-256 and other hashes from text.

Security

HTTP Status Code Lookup

Search or input an HTTP status code and see its meaning and explanation.

Reference & Lookup

JSON to CSV Converter

Convert JSON data into CSV format for spreadsheets or databases.

Converters

CSV to JSON Converter

Convert CSV text into JSON format for APIs or applications.

Converters

HTML Minifier

Remove unnecessary spaces, comments, and formatting from HTML.

Formatters

CSS Minifier

Compress CSS by removing whitespace and comments for faster load.

Formatters

JavaScript Minifier

Minify JavaScript for production to reduce file size.

Formatters

Color Converter

Convert between HEX, RGB, HSL and other color formats.

Converters

JSON Diff Checker

Compare two JSON objects and highlight differences for debugging.

Testing

Lorem Ipsum Generator

Generate placeholder text for UI layouts and design mockups.

Generators

HTML to JSX Converter

Convert standard HTML markup into JSX syntax for React applications.

Converters

CSS Gradient Generator

Create linear or radial gradients visually and copy the CSS code.

Generators

CSS Box Shadow Generator

Create and customize box-shadow effects and export CSS code.

Generators

CSS Flexbox Generator

Build Flexbox layouts visually and generate the correct CSS.

Generators

CSS Grid Generator

Design layouts with CSS Grid and output the grid CSS automatically.

Generators

HTML Entity Encoder / Decoder

Encode HTML special characters to entities and decode back to text.

Encoders & Decoders

JavaScript Beautifier

Format and beautify minified JavaScript for easier reading and debugging.

Formatters

JavaScript Obfuscator

Convert readable JavaScript into obfuscated code to protect source.

Security

CSS Clamp Generator

Generate responsive clamp() CSS values for fluid typography and design.

Generators

Meta Tag Generator

Generate SEO meta tags (title, description, Open Graph, Twitter) for websites.

Generators

JSON to TypeScript Interface

Convert JSON to TypeScript interface definitions for type-safe code.

Converters

Markdown to HTML

Convert Markdown text to HTML for web pages and docs.

Converters

HTML to Markdown

Convert HTML to Markdown for docs, CMS, and readmes.

Converters

Image to Base64

Upload an image and get a data URL (base64) for CSS or email templates.

Encoders & Decoders

Cron Expression Generator

Build cron expressions for Linux, Node, or Laravel scheduler.

Generators

.gitignore Generator

Generate .gitignore files for Node, Laravel, Python, and more.

Generators

Dockerfile Linter

Check Dockerfile for warnings and best practices.

Testing

ENV Parser

Parse .env files to JSON or table format.

Converters

URL Parser

Parse URLs into protocol, host, path, and query parameters.

Converters

User Agent Parser

Parse user agent strings to browser, OS, and device.

Converters

JWT Generator

Create test JWT tokens with custom payload and secret (HS256).

Security

HTTP Request Builder

Send GET/POST and other requests like a mini Postman (browser).

Reference & Lookup

Webhook Tester

Generate temporary endpoints and format incoming webhook payloads.

Testing

API Response Formatter

Format API responses (JSON or XML) for readability.

Formatters

Base32 Encoder / Decoder

Encode and decode text using Base32.

Encoders & Decoders

Hex Encoder / Decoder

Encode and decode text to hexadecimal.

Encoders & Decoders

Unicode Converter

Convert text to Unicode escape sequences and back.

Encoders & Decoders

CSS Animation Generator

Create @keyframes and animation CSS visually.

Generators

CSS Border Radius Generator

Generate complex border-radius values (1–8 values).

Generators

Tailwind Shadow Generator

Generate Tailwind box-shadow utility classes.

Generators

Cron Parser

Explain cron expressions in plain English.

Reference & Lookup

Git Command Helper

Generate and copy common Git commands.

Reference & Lookup

Docker Compose Validator

Validate Docker Compose YAML files.

Testing

ENV Diff

Compare two .env files and see differences.

Testing

Text Diff

Compare two texts and highlight differences.

Testing

Line Sorter

Sort lines alphabetically or reverse.

Formatters

Duplicate Line Remover

Remove duplicate lines from text.

Formatters