zxzx.app — Free Web Tools & Retro Mini Apps
zxzx.app is a free web utility portal featuring 17 sub-applications with a nostalgic Windows 95 desktop interface. All tools run entirely in your browser — no uploads, no registration, no tracking.
Utility Apps
Tools — 22 browser-based utilities for image conversion, PDF manipulation, QR/barcode generation, password creation, and more.
Dev — Developer toolkit with JWT decoder, JSON/SQL formatter, cron translator, epoch converter, and hash generator.
Cheat — Quick-reference cheatsheets for Git, Linux, Docker, SQL, Python, JavaScript, Vim, CSS, Markdown, and Regex.
Weather — 8-bit pixel art weather forecast with 7-day forecasts and city search via Open-Meteo API.
Finance — Real-time stock and crypto price tracker with market data from CoinGecko and Yahoo Finance.
News — Global news reader with RSS aggregation and AI-powered summaries.
Entertainment & Creative Apps
Retro mini games, internet radio, 8-bit music maker, tarot readings, gacha confession machine, pixel avatar creator, VHS photo booth, message in a bottle, and live pixel canvas.
Frequently Asked Questions
Is zxzx.app really free?
Yes. All 17 apps are completely free with no registration required. There are no premium tiers or hidden costs.
Are my files uploaded to your servers?
No. All file processing (image conversion, PDF merging, etc.) happens locally in your browser. Your files never leave your device.
What browsers are supported?
zxzx.app works on all modern browsers including Chrome, Firefox, Safari, and Edge. Mobile browsers are supported with touch-optimized interfaces.