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.

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Developer Tools

JSON to C# Model Converter

Generate starter C# models from JSON payloads.

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Developer Tools

Regex Tester

Test patterns against sample input and inspect matches.

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Developer Tools

JWT Decoder

Decode JWT header and payload data instantly.

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Developer Tools

Password Generator

Generate strong passwords with configurable rules.

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Developer Tools

Text Compare

Compare two text blocks and inspect their differences.

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Developer Tools

Markdown Preview

Preview Markdown as clean rendered HTML.

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Developer Tools

SQL Formatter

Format SQL queries for better readability.

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Developer Tools

Base64 Encoder / Decoder

Encode or decode Base64 content quickly.

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Developer Tools

UUID Generator

Generate one or more UUID values.

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Developer Utilities

Timestamp Converter

Convert Unix timestamps and UTC dates.

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Developer Utilities

JSON Diff Tool

Compare JSON documents and inspect changes.

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Developer Utilities

HTML Minifier

Minify HTML output for leaner payloads.

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Developer Utilities

CSS Minifier

Minify CSS while preserving valid rules.

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Developer Utilities

Image to Base64

Convert image data to Base64.

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Developer Utilities

Base64 to Image

Decode Base64 into image-ready data.

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Developer Utilities

Cron Expression Generator

Generate and explain cron expressions.

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Developer Utilities

Color Picker + Converter

Convert HEX, RGB, and HSL values.

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Developer Utilities

URL Encoder / Decoder

Encode or decode URL-encoded strings instantly.

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Developer Utilities

HTML Entity Encoder / Decoder

Encode or decode HTML entities with a single click.

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Developer Utilities

Hash Generator

Generate MD5, SHA1, SHA256 and SHA512 hashes.

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Developer Utilities

Number Base Converter

Convert numbers between binary, octal, decimal and hex.

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Developer Utilities

Text Case Converter

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

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Developer Utilities

Word & Character Counter

Count words, characters, lines and sentences.

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Developer Utilities

Lorem Ipsum Generator

Generate placeholder lorem ipsum text for any layout.

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Developer Utilities

QR Code Generator

Generate a QR code from any URL or text.

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Developer Utilities

URL Parser

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

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Developer Utilities

Unix Permissions Calculator

Convert between octal notation and symbolic permissions.

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