Pixmorph
RAS converter

Convert RAS to PBM

Convert RAS images to PBM in bulk without losing quality or installing any software. Fast, free and easy to use.

ConvertRAS
Drop your RAS images here

68+ input formats · 41 output formats · click, drop or paste

Choose files

How it works

  1. 01

    Upload your RAS file(s)

    Click "Choose files" or drag your RAS images into the drop area. You can also paste them.

  2. 02

    Pick the output

    PBM is pre-selected. Open Settings to adjust quality or max size.

  3. 03

    Start conversion

    Hit Convert. Files process three at a time — most finish in well under a second.

  4. 04

    Download

    Download each file individually, or all of them together as a ZIP archive.

RAS vs PBM

Input · .ras

Sun Raster

Raster format from Sun workstations.

Losslessimage/x-sun-raster
Output · .pbm

Portable Bitmap

Netpbm black-and-white format.

Losslessimage/x-portable-bitmap

Frequently asked questions

How do I convert RAS to PBM?+

Drop your RAS image(s) into the converter above, click Convert, then download the result individually or as a ZIP.

How do I convert RAS without losing quality?+

Open Settings and move the quality slider to 100. Lossless formats like PNG and TIFF always keep every pixel; WEBP and AVIF switch to lossless mode at 100.

Can I bulk convert RAS files?+

Yes. Select or drop as many RAS files as you like — they're converted in parallel and can be downloaded together as a ZIP.

Is this converter secure?+

Yes. Every file is converted entirely inside your browser and never uploaded to any server.

Can I edit images after converting?+

Yes — use our free Resize and Compress tools.

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