HandleMyFile
All Document Tools in One Place
What it does
HandleMyFile is a suite of 40+ document tools (merge, compress, OCR, convert) running 100% in your browser memory. Powered by WebAssembly, it processes files locally on your device. No files are ever uploaded to a server, guaranteeing bank-grade privacy. Free forever, no size limits, and blazing fast
Merge, split, compress, convert Office files, and OCR directly in your browser. 100% processed offline via WebAssembly.
Does the same job
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I Have A Tool For That4d ago · ihaveatoolforthat.com · ▲290+ browser tools. No upload. Files never leave your device.


- FCFile converters and 75 tools that run in the browserMar 2026 · ▲6
Most file converter sites upload your files to their servers. File Converter Free runs everything client-side using WebAssembly — your files never leave your device. 215+ formats across conversion and compression, 75+ browser-based tools for PDF, dev utilities, text, calculators and network diagnostics — all available in 9 languages. Built this solo. What tools do you wish ran client-side but currently don't? https://file-converter-free.com/en/tools
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Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com


OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 1d ago · opentrailpaper.com
Launched alongside, August 2026
the whole month →- TL
Life & fun · 10d ago · louisabraham.github.io


- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io


I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 16d ago · simedw.com