Why convert FBA to ZIP?
An .fba (Fitbit App) is a ZIP container that bundles the app's code, assets and manifest. Turning it into a plain .zip simply exposes it to standard archive tools so you can browse or repackage the contents.
How to convert FBA to ZIP
Rename the extension EASIEST
Make a copy, then rename app.fba to app.zip. Windows and macOS both open it as a normal archive because the bytes are already ZIP.
7-Zip repackage FREE
Open the .fba in 7-Zip, extract everything to a folder, then select the files and use Add to archive with the zip format to build a clean .zip.
unzip / zip (Terminal) FREE
Run unzip app.fba -d out to extract, then zip -r app.zip out to repackage as a standard .zip. Works on macOS and Linux.
About these formats
An .fba file is a Fitbit OS App Package, the installable bundle a developer produces when building a Fitbit smartwatch app or clock face with the Fitbit SDK. It is a ZIP archive that holds…
Open .FBA details →
.ZIP
ZIP Archive
A ZIP file is a compressed archive that stores one or more files in a single smaller package. On Windows, macOS, iOS, and Android you can open it without installing anything - just…
Open .ZIP details →Quality & what to watch
- Renaming does not recompress - it is the same archive with a different label.
- If you extract and re-zip, the internal folder structure must stay intact or Fitbit tools will no longer accept the package.
- The
.zipcopy is only for browsing or backup; installing on a Fitbit device still requires the.fbaextension and Fitbit's tools.
Frequently asked questions
Can I just rename .fba to .zip?
Will renaming damage the file?
.fba.
