Free developer tools, ready when you are.

23 tools for everyday developer tasks — format, convert, generate, and debug without switching tabs or signing up.

Developer Tools

JSON Formatter

Format and validate JSON with consistent indentation.

Open tool

Developer Tools

JSON to C# Model Converter

Generate starter C# models from JSON payloads.

Open tool

Developer Tools

Regex Tester

Test patterns against sample input and inspect matches.

Open tool

Developer Tools

JWT Decoder

Decode JWT header and payload data instantly.

Open tool

Developer Tools

Password Generator

Generate strong passwords with configurable rules.

Open tool

Developer Tools

Text Compare

Compare two text blocks and inspect their differences.

Open tool

Developer Tools

Markdown Preview

Preview Markdown as clean rendered HTML.

Open tool

Developer Tools

SQL Formatter

Format SQL queries for better readability.

Open tool

Developer Tools

Base64 Encoder / Decoder

Encode or decode Base64 content quickly.

Open tool

Developer Tools

UUID Generator

Generate one or more UUID values.

Open tool

Developer Utilities

Timestamp Converter

Convert Unix timestamps and UTC dates.

Open tool

Developer Utilities

JSON Diff Tool

Compare JSON documents and inspect changes.

Open tool

Developer Utilities

HTML Minifier

Minify HTML output for leaner payloads.

Open tool

Developer Utilities

CSS Minifier

Minify CSS while preserving valid rules.

Open tool

Developer Utilities

Image to Base64

Convert image data to Base64.

Open tool

Developer Utilities

Base64 to Image

Decode Base64 into image-ready data.

Open tool

Developer Utilities

Cron Expression Generator

Generate and explain cron expressions.

Open tool

Developer Utilities

Color Picker + Converter

Convert HEX, RGB, and HSL values.

Open tool

Developer Utilities

URL Encoder / Decoder

Encode or decode URL-encoded strings instantly.

Open tool

Developer Utilities

HTML Entity Encoder / Decoder

Encode or decode HTML entities with a single click.

Open tool

Developer Utilities

Hash Generator

Generate MD5, SHA1, SHA256 and SHA512 hashes.

Open tool

Developer Utilities

Number Base Converter

Convert numbers between binary, octal, decimal and hex.

Open tool

Developer Utilities

Text Case Converter

Convert text between camelCase, PascalCase, snake_case and kebab-case.

Open tool

Developer Utilities

Word & Character Counter

Count words, characters, lines and sentences.

Open tool

Developer Utilities

Lorem Ipsum Generator

Generate placeholder lorem ipsum text for any layout.

Open tool

Developer Utilities

QR Code Generator

Generate a QR code from any URL or text.

Open tool

Developer Utilities

URL Parser

Break a URL into scheme, host, path and query parameters.

Open tool

Developer Utilities

Unix Permissions Calculator

Convert between octal notation and symbolic permissions.

Open tool
An unhandled error has occurred. Reload x