OrcaPDF
Free, private PDF tools that run entirely in your browser
What it does
OrcaPDF offers 19 free online PDF tools that run 100% locally in your browser. Merge, split, compress, and convert PDFs with zero tracking, no file uploads, no watermarks, and no sign-up.
Free online PDF tools. Merge, split, compress, rotate and convert PDF to Word, Excel and JPG. No sign-up, no watermarks, files stay private.
Merge, split, compress and convert PDFs for free. No account, no watermark, no email required — and most tools never upload your file at all. Most of our tools run entirely inside your browser. Your document is never uploaded, so there is nothing for us — or anyone else — to read, store or leak. No account, no email, no watermark stamped across your document, and no page limit hidden behind a paywall. Browser-based tools finish in the time it takes to upload nothing at all. Large files process at the speed of your own machine. Drag a document onto the page or choose it from your device. Nothing is sent anywhere yet. Choose page ranges, rotation, resolution — whatever the tool needs. You see…from orcapdf.com
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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