Software
SheetJS Community Edition 0.20.3, by SheetJS LLC, reads and writes Excel and OpenDocument files. Apache License 2.0. A copy is served with the library: license text.
The CSV and JSON reading and writing, the ZIP output, and the merge, join, dedupe, split and clean tools are our own code.
Fonts
- Cabinet Grotesk by Indian Type Foundry, from Fontshare. ITF Free Font License.
- Hanken Grotesk by Alfredo Marco Pradil. SIL Open Font License 1.1.
- DM Mono by Colophon Foundry for DeepMind. SIL Open Font License 1.1.
All fonts are served from this site, each with its license file.
Logo and images
The FileMixer mark, two shapes hooked together like two files joined on a column, was drawn for FileMixer in October 2026. The site uses no stock photos.
Made by
Built by Javier Carnicer at WebLandscapes.