Built on open source
Every tool here runs on work other people published freely. This page lists what we use, under which license, and where the source lives.
Copyleft components we ship to your browser
These run as separate programs inside your tab. We ship the official builds unmodified and invoke them the way a shell invokes a command-line tool; their source is public at the links below.
- FFmpeg (via ffmpeg.wasm core) — GPL-2.0-or-later. Video and audio conversion, trimming, compression, GIF work. Source Build wrapper: https://github.com/ffmpegwasm/ffmpeg.wasm (MIT)
- libheif — LGPL-3.0. Reading HEIC/HEIF photos from iPhones. Source Shipped unmodified as a WebAssembly build (bundled by libheif-js); replaceable by the user.
Permissive libraries
Used under their respective licenses, with thanks.
- pdf.js — Apache-2.0. Rendering PDF pages. Source
- pdf-lib — MIT. Building and editing PDFs. Source
- Tesseract.js — Apache-2.0. OCR. Source
- ONNX Runtime Web — MIT. Running the AI models. Source
- Transformers.js — Apache-2.0. Model loading pipeline. Source
- jSquash (AVIF/WebP) — Apache-2.0. Modern image codecs. Source
- ExcelJS — MIT. Reading and writing spreadsheets. Source
- Mammoth — BSD-2-Clause. Reading .docx documents. Source
- docx — MIT. Writing .docx documents. Source
- exifr / piexifjs — MIT. Reading and stripping photo metadata. Source
- jsQR — Apache-2.0. Reading QR codes. Source
- node-qrcode — MIT. Generating QR codes. Source
- fflate — MIT. ZIP archives. Source
- JSZip — MIT (dual-licensed MIT / GPL-3.0; used under MIT). Reading Office documents. Source
- html2canvas — MIT. Rendering HTML to an image. Source
- Astro — MIT. The site itself. Source
AI models
Downloaded to your browser on first use and run on your device. Each is used under its own license.
Typeface
Set in a face released under an open font license.
- Bricolage Grotesque — SIL Open Font License 1.1. Headings and display text. Source
Something missing or wrong?
If you maintain one of these projects and want the attribution corrected, or you spot a component we forgot to credit, write to infoquietpix@gmail.com and it will be fixed.