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Free browser-based audio tools to analyze key and BPM, change pitch/tempo, edit audio, and practice with rhythm tools.
Submit your own product to reach creators and founders looking for the next tool to try.

AI image translator that converts text in photos and scans into 60+ languages while preserving layout.

Sherlock Search is a reverse face search that compares your photo to images linked to public web pages and returns possible matches with source links for review.

A date-safety scan for TeaOnHer that finds posts about you and delivers a verified report in 24 hours.

Compare cheap flights from 500+ airlines and agencies, book on the provider’s site, and earn cashback you can withdraw after your trip.

Free word art generator that turns text into shapes and fills them with your own words. 390+ templates or your own image, three fill styles, palettes, gradients, and exports up to 4K PNG, cut-ready SVG, or animated MP4/GIF. Free, no account, in-browser.

Free fullscreen color screen tool. 12 colors, in-browser monitor/dead-pixel tests, 4K/8K wallpaper downloads, white-background editor, 11 languages, PWA, no ads and no sign-up. Great for cleaning monitors, lighting video calls, tracing art, and focus work.
Key & BPM Lab is a free, browser-based suite of audio tools for finding, changing, and editing the key, tempo, and audio of music files, with optional AI tools available through paid credits.
Key & BPM Lab is a collection of web audio tools that runs in your browser and works with local audio files. The core functions are detecting a song's BPM, musical key, scale, and Camelot code, and changing tempo or key without affecting pitch. Outputs include on-screen analysis results and downloadable WAV files. The service is made by Key & BPM Lab and includes both free essential tools and paid AI-powered features.