Developer Tools

All tools run in your browser — your data never leaves your device.

Core Tools

Essential everyday developer utilities

JSON Formatter

Format, beautify, and validate JSON

Base64 Encode/Decode

Encode and decode Base64 strings

Regex Tester

Test and debug regular expressions

URL Encoder/Decoder

Encode and decode URLs

JWT Decoder

Decode and inspect JWT tokens

Hash Generator

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

Diff Checker

Compare two texts side by side

Unix Timestamp

Convert Unix timestamps to dates

UUID Generator

Generate random UUIDs

HTML Encoder/Decoder

Encode and decode HTML entities

Data & Format

Data conversion and formatting tools

JSON to TypeScript

Generate TypeScript interfaces from JSON

YAML to JSON

Convert between YAML and JSON

SQL Formatter

Format and beautify SQL queries

Markdown Preview

Preview Markdown as HTML

JSON to CSV

Convert JSON arrays to CSV format

Utility Tools

Helpful utilities for various tasks

Cron Parser

Description

Color Converter

Convert between HEX, RGB, HSL

QR Code Generator

Generate QR codes for URLs and text

Image to Base64

Convert images to Base64 data URIs

JS/CSS Minifier

Minify JavaScript and CSS code

API & DevOps

Tools for API development and DevOps

OpenAPI Viewer

Visualize OpenAPI/Swagger specifications

GraphQL Formatter

Format and validate GraphQL queries

Env Editor

Visual .env file editor

JSON Schema Validator

Validate JSON against schemas

K8s YAML Validator

Validate Kubernetes manifests

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