Dev Tools

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Text

Text Compare

Side-by-side diff with character-level highlighting.

JSON Prettifier

Format, validate, and selectively hide fields.

JSON Diff

Compare two JSON objects with tree-based diff visualization.

SQL Formatter

Format and prettify SQL queries. Multiple dialects.

Markdown Preview

Live GFM preview with syntax highlighting.

Text Utils

Word counter, case converter, escape, trim.

Lorem Ipsum

Generate placeholder text.

Encode & Decode

Base64

Encode and decode Base64 with UTF-8.

URL Encoder

Encode and decode URLs and URI components.

HTML Entities

Convert special characters to/from HTML entities.

JWT Decoder

Decode and verify JWT tokens.

Hash Generator

MD5, SHA-1, SHA-256, SHA-512.

Generate

UUID Generator

Random UUIDs v4, single or bulk.

Password Generator

Secure passwords with custom rules.

Convert

Timestamp

Unix timestamps to human dates.

Color Converter

HEX, RGB, and HSL formats.

CSV ↔ JSON

Convert between CSV and JSON.

JSON ↔ YAML

Convert between JSON and YAML.

Validate & Test

Regex Tester

Live match highlighting and groups.

Cron Parser

Human-readable cron descriptions.

Network

Speed Test

Real-world speed to Cloudflare edge. Download, upload, and latency.

MCP

MCP Config Generator

Visual editor for MCP server configuration. Supports Claude, Cursor, Windsurf.

MCP Playground

Connect to MCP servers, explore tools, and test them live.