Yes, with no account, no watermark and no per-file limit.

Are my files uploaded?

No. The conversion runs entirely in your browser and the file never leaves your device.

Convert PPM / PGM / PBM to QOI

QOI is a modern lossless format with very fast decoding. Almost no web tool can produce it. Everything happens locally: PPM / PGM / PBM files are decoded by your browser and written back out as QOI without ever touching a server.

Checking your browser's codec support…

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Drop your PPM / PGM / PBM files here or

Batch supported · files never leave your device

Output format Quality 92%

What is PPM / PGM / PBM?

A family of dead-simple image formats from the 1980s Unix world. They are so simple that they are still the default interchange format for scientific tooling, computer vision and academic code.

Why convert PPM / PGM / PBM to QOI?

QOI is a modern lossless format with very fast decoding. Almost no web tool can produce it.

Netpbm files are huge and almost no consumer software opens them. Converting to PNG gives you a normal image file at a fraction of the size.

How this converter handles PPM / PGM / PBM

Handles binary (P5/P6) and ASCII (P2/P3) variants, 8-bit and 16-bit samples.

Why the conversion happens on your device

This page is a static file. There is no upload endpoint, no queue and no server-side conversion step — the work is done by JavaScript running in your own browser. That has three practical consequences:

Nothing is transmitted. Open your browser's network panel and confirm it yourself.
No file size limit. Server-based converters cap uploads and throttle repeat use. Your machine has no such quota.
No queue. Conversion starts immediately and runs at local speed.

Frequently asked questions

Is this really free?: Yes, with no account, no watermark and no per-file limit. There is no server cost to recover because no server is involved.
Are my files uploaded?: No. The page has no backend to upload to. You can verify this in your browser's developer tools, or by loading the page and disconnecting from the internet before converting.
Does converting PPM / PGM / PBM to QOI lose quality?: No. QOI is lossless, so the pixels are preserved exactly. The file may be larger or smaller than the original, but it will look identical.
Can I convert many files at once?: Yes — drop a batch and they are processed one after another.
What if my browser cannot decode PPM / PGM / PBM?: For formats browsers do not support natively (TGA, QOI, PPM/PGM/PBM, farbfeld, BMP, ICO) FormatAtlas ships its own decoder, so support does not depend on your browser version.