Instant YouTube Transcripts with punctuations, paragraph breaks and chapters. Saved for offline.

Instant Transcripts of Sam Altman from OpenAI Instant Transcripts of Sean Carroll Instant Transcripts for Lex Friedman on the smartest people he has even met


AI transcripts of your audio and video files, YouTube links, or live microphone using OpenAI Whisper.


Screen Recorder for MacOS with audio and Zooms


Clean Screen Sharing for your meetings, featured in the App Store ★★★

PDF Reflow

Read PDF documents reflowed to fit your mobile device, preserving colors, fonts, images, figures and math formulas.


View and save any "readable" web pages and PDF documents directly from Mobile Safari, export to PDF or fulltext with images.

Yawas Highlighter

Highlight the original web pages in Safari for iOS, Chrome, Firefox, Edge


Award winning math game for kids. Practice tables, addition, subtraction, multiplication and division up to table of 12.


Learn over 500 English words by spelling them with a single swipe or pop each letter in sequence.


Learn USA states, capitals, national parks and main cities!

Web Experiments