Pixmorph
PBM converter

Convert PBM to VIFF

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

ConvertPBM
Drop your PBM images here

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

Choose files

How it works

  1. 01

    Upload your PBM file(s)

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

  2. 02

    Pick the output

    VIFF 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.

PBM vs VIFF

Input · .pbm

Portable Bitmap

Netpbm black-and-white format.

Losslessimage/x-portable-bitmap
Output · .viff

Khoros Visualization

Scientific imaging format from the Khoros system.

Losslessimage/x-viff

Frequently asked questions

How do I convert PBM to VIFF?+

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

How do I convert PBM 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 PBM files?+

Yes. Select or drop as many PBM 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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