Free Developer Tools

Interactive tools powered by real APIs. No signup, no API key, no limits. Try them, then integrate the API into your own projects.

{ } Client-Side

JSON Formatter & Validator

Format, validate, and minify JSON instantly. Syntax highlighting, tree view, error detection with line numbers. 100% client-side.

Open Tool →
📷 4 Viewports

Website Screenshot Tool

Capture a screenshot of any website instantly. Desktop, tablet, mobile, and 1080p viewports. Download as PNG — powered by Chromium.

Open Tool →
🌐 18 TLDs

Domain Availability Checker

Check if a domain name is available across 18 TLDs instantly. Search .com, .net, .io, .dev, .xyz, and more in one click.

Open Tool →
📍 Free Lookup

IP Geolocation Lookup

Look up the geographic location of any IP address. Get country, city, timezone, coordinates, and EU status. Auto-detects your IP.

Open Tool →
🔍 Instant

DNS Lookup Tool

Resolve any domain to its IP addresses. Get A (IPv4) and AAAA (IPv6) records with query time — like dig, but in your browser.

Open Tool →
📈 Live Data

Live Crypto Price Tracker

Real-time cryptocurrency prices for 38+ tokens from Hyperliquid DEX. Auto-refreshes every 5 seconds with 24h change, volume, and highs/lows.

Open Tool →
🔐 Client-Side

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files. Runs entirely in your browser — nothing is sent to any server.

Open Tool →
🔄 Client-Side

Base64 Encoder & Decoder

Encode text to Base64, decode Base64 to text, or convert files and images to Base64 data URIs. URL-safe mode included.

Open Tool →

Build with These APIs

Every tool above is powered by a free API you can integrate into your own apps. Get an API key and start building.

View API Docs