The Developer's Utility Belt

Fast, private, and free developer tools that run entirely in your browser. No tracking, no data collection, no hassle.

Privacy First

Your data never leaves your browser. All processing is client-side.

Blazing Fast

Built with Next.js 14 for instant loading and smooth transitions.

Open Source

Check our code on GitHub. Community-driven and always free.

All Tools

JSON

JSON Formatter

Beautify, minify and validate JSON code with ease.

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Encoding

Base64 Encoder/Decoder

Encode and decode strings and files to Base64 format.

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Developer

JWT Decoder

Decode JSON Web Tokens and view their payload and header.

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Developer

UUID Generator

Generate unique UUIDs (v4) instantly.

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DateTime

Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

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Encoding

URL Encoder/Decoder

Encode and decode URLs for safe transmission.

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Misc

Password Generator

Create secure, random passwords with custom settings.

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Developer

Regex Tester

Test and debug regular expressions with live previews.

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JSON

JSON to CSV

Convert JSON data to CSV format instantly.

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JSON

CSV to JSON

Convert CSV data to JSON format easily.

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JSON

JSON to YAML

Convert JSON data to YAML format.

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Developer

SQL Formatter

Beautify and format your SQL queries for better readability.

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Encoding

HTML Encoder/Decoder

Encode and decode HTML entities safely.

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Developer

Cron Generator

Easily generate cron expression schedules.

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Misc

Color Converter

Convert between HEX, RGB, HSL and more.

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DateTime

Date Difference

Calculate the time between two dates.

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Developer

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.

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Misc

Word Counter

Count words, characters, and sentences in your text.

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Misc

Lorem Ipsum Generator

Generate placeholder text for your designs.

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JSON

JSON Diff

Compare two JSON objects and see the differences.

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Misc

Case Converter

Convert text between camelCase, snake_case, PascalCase and more.

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Encoding

URL Parser

Parse a URL into its components: protocol, host, path, params, etc.

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Developer

HTML to Markdown

Convert HTML code to clean Markdown.

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Developer

XML Formatter

Beautify and format XML code.

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Encoding

Base64 to Image

Convert Base64 strings back to viewable images.

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Encoding

Text to Unicode

Convert text to Unicode escape sequences.

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Misc

List Sorter

Sort lists alphabetically, numerically, or in reverse.

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Developer

QR Code Generator

Generate QR codes for URLs or text instantly.

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JSON

JSON to TypeScript

Generate TypeScript interfaces from JSON objects.

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Developer

Markdown Preview

Live preview of your Markdown code.

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Network

cURL Comparator

Compare two cURL commands side-by-side to find differences in headers, body, or URL.

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Network

HTTP Headers Analyzer

Analyze raw HTTP headers to understand their purpose and security implications.

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JSON

JSON Schema Validator

Validate a JSON document against a JSON Schema to check its structure.

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JSON

JSON Minify & Stringify

Minify JSON and convert it to an escaped string literal for use in code.

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JSON

Fake JSON Generator

Generate realistic fake JSON data from a custom schema for testing and prototyping.

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