About Tessera
Tessera generates digital mosaics (QR codes) from any text or URL,
with full control over how they look and where they end up.
Features:
Live preview as you type
Custom foreground color, with a warning if contrast is too low to scan reliably
Four error correction levels (Low, Medium, High, Quartile)
Export as PNG or SVG
Copy to clipboard from the menu or with a single click on the mosaic
Persistent preferences for default color and error correction level
How to install Tessera
- Click Download — the developer's official website opens in a new tab.
- Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
- Prefer the command line? With Flatpak you can install and update it with: flatpak install flathub fr.ethal.tessera
- Open Tessera once it finishes installing.
Frequently asked questions
Is Tessera free to download?
Yes. The Download button sends you to flathub.org, the developer's official site, where Tessera is available to download. Flatnic doesn't host or modify any files.
How do I install Tessera from the command line?
With Flatpak, run: flatpak install flathub fr.ethal.tessera. This installs it from the official source and keeps it updated.
Is Tessera safe?
Tessera downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.
