PixKB is built on open-source software and fonts. We self-host every library on pixkb.com, unmodified, and load each one only when a tool needs it. Thank you to their authors.
Libraries
| Component | Version | License | Used for |
|---|---|---|---|
| PDF.js (Mozilla) | 3.11.174 | Apache-2.0 | Reading and rendering PDFs |
| pdf-lib | 1.17.1 | MIT | Creating and rebuilding PDFs |
| JSZip | 3.10.1 | MIT (dual MIT/GPLv3; used under MIT) | Batch downloads as ZIP |
| heic2any | 0.0.4 | MIT | Converting iPhone HEIC photos |
| └ includes libheif (compiled to JavaScript) | bundled | LGPL-3.0 | HEIC decoding. Distributed unmodified as a separate file; source at the libheif link. |
Fonts
| Font | License |
|---|---|
| Space Grotesk (Florian Karsten) | SIL Open Font License 1.1 |
| IBM Plex Mono (IBM) | SIL Open Font License 1.1 |
Fonts are self-hosted from the Fontsource packages (Latin subsets).
Our policy
We only add libraries and fonts whose licenses allow free redistribution, and we list every one here. If you think something is missing or wrongly attributed, email [email protected].