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PO / MO / CSV Converter

Compile gettext PO to MO, decompile MO to PO, or move translations to CSV and Excel.

Free, no uploads, no sign-up. Runs 100% in your browser.

How PO / MO / CSV Converter works

A built-in PO parser keeps contexts, plurals, comments, references and flags. MO files are written in the standard GNU format (sorted, like msgfmt) and read back in either byte order.

Input: PO, POT, MO, CSV, XLSX, JSON. Output: PO, MO, CSV, XLSX, JSON.

How to use PO / MO / CSV Converter

1. Open PO / MO / CSV Converter and paste or type your input.
2. Results update instantly as you type.
3. Tweak options such as format, indentation or algorithm.
4. Copy the output or download it as a file.

Tips

• Everything is computed locally. Safe for tokens, keys and private data.
• Use Ctrl/⌘ + K to jump between developer tools quickly.

PO / MO / CSV Converter FAQ

Are my files uploaded?

No. This tool runs entirely in your browser tab. Files are read from your disk into memory and the result is generated locally.

Is it free? Are there limits or watermarks?

Free and open source (MIT). There are no file-size caps, daily quotas, accounts or watermarks.

Does it work offline?

Yes, once the page (and any engine it needs) has loaded, it keeps working without a connection thanks to the service worker cache.

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