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Free Developer Tools

Essential Tools for Developers

Format, convert, test and generate. All your dev tools in one place. No login required. Works offline.

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Tools

All-in-one toolkit for developers

Free

No credit card required

Latency

Works completely offline

All Tools You Need

Discover powerful developer tools. Press Cmd/Ctrl + K to search, or ? for shortcuts.

JSON Formatter

Format, validate and beautify JSON data

Formatters

Base64 Encoder/Decoder

Encode and decode Base64 strings

Encoders

URL Encoder/Decoder

Encode and decode URL strings

Encoders

Regex Tester

Test and debug regular expressions

Testers

JWT Decoder

Decode and inspect JWT tokens

Security

Hash Generator

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

Security

UUID Generator

Generate UUID v1 and v4 identifiers

Generators

Color Picker

Pick colors and convert between formats

Generators

API Tester

Test REST APIs with custom requests

Testers

Shell Command Builder

Visual builder for complex shell commands

Shell Tools

Shell Script Formatter

Format and validate bash scripts

Shell Tools

Command Cheatsheet

Searchable database of common commands

Shell Tools

Cron Expression Builder

Visual builder for cron expressions

Shell Tools

Docker Command Builder

Build Docker commands visually

Shell Tools

Regex to Grep Converter

Convert regex patterns to grep commands

Shell Tools

Password Generator

Generate secure passwords with custom options

Security

QR Code Generator

Generate and decode QR codes

Generators

Text Diff/Compare

Compare two texts and see differences

Testers

SQL Formatter

Format and validate SQL queries

Formatters

YAML Formatter

Format and validate YAML files

Formatters

XML Formatter

Format and validate XML documents

Formatters

Timestamp Converter

Convert Unix timestamps to readable dates

Converters

String Utilities

Count characters, words, lines and more

Utilities

HTML Entity Encoder

Encode and decode HTML entities

Encoders

CSV to JSON

Convert CSV to JSON and vice versa

Converters

Lorem Ipsum Generator

Generate placeholder text

Generators

Image to Base64

Convert images to Base64 with preview

Converters

Markdown Editor

Editor with live preview

Formatters

JSON Path Tester

Test JSONPath expressions on JSON data

Testers

Usage Statistics

View your tool usage statistics

Utilities

JavaScript Minifier

Minify and beautify JavaScript code

Formatters

HTML Formatter

Format, validate and minify HTML

Formatters

Case Converter

Convert text between different cases

Text Tools

cURL Generator

Generate cURL commands from API requests

Testers

JSON to TypeScript

Convert JSON to TypeScript interfaces

Converters

Workflow Automation

Create and execute multi-step workflows

Utilities

GraphQL Tools

Build, validate, and format GraphQL queries

Testers