Essential tools for web developers — JSON formatting, Base64 encoding, URL encoding and more. No login needed.
tools999.com's web tools collection covers the utilities developers reach for multiple times every day. Everything runs in your browser — your JSON payloads, API keys and text content never leave your device.
Our JSON Formatter beautifies, validates and minifies JSON in one click. The Base64 Encoder handles both encoding and decoding instantly. The URL Encoder encodes and decodes URLs and query strings, while the Word Counter tracks characters, words and estimated reading time.
All tools are mobile-friendly, load instantly, and require no account or subscription — ever.