Convert PCX to PNM

Convert PCX files to PNM locally, completely free and with maximum privacy.

Drag and drop your files here

or click to browse local files (large files supported, limited only by browser RAM)

Upload Files

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How to convert PCX to PNM

  1. Drop your .pcx files above, or click Upload Files. You can add many files at once.
  2. PNM is already selected as the output. Open the settings (gear icon) to fine-tune the result.
  3. Click Convert All. ImageMagick runs inside your browser through WebAssembly; nothing is uploaded.
  4. Download your .pnm files as soon as each one finishes.

What to know about PCX to PNM conversion

  • PNM is best for image processing pipelines and scientific code, and opens in GIMP, ImageMagick and Netpbm tools.

PCX vs PNM

FeaturePCX (ZSoft PC Paintbrush)PNM (Netpbm Portable Anymap)
Compressionlosslessuncompressed
TransparencyNoNo
AnimationNoNo
Best forlegacy DOS-era graphics and old scanning softwareimage processing pipelines and scientific code
Opens inGIMP, IrfanView and legacy softwareGIMP, ImageMagick and Netpbm tools

PCX (ZSoft PC Paintbrush): A legacy raster format from the DOS era, still used by some scanning and fax software.

PNM (Netpbm Portable Anymap): The generic Netpbm format family (PBM, PGM, PPM) for simple uncompressed bitmaps, graymaps and pixmaps.

Conversion options

  • Resize by width, height or both (aspect ratio is preserved)
  • Filters: grayscale, sepia, blur and sharpen
  • Custom output file name

Frequently asked questions

Is it safe to convert PCX to PNM here?

Yes. Your files are processed entirely on your own device by WebAssembly code running in the browser. They are never uploaded, so nobody else can see them, and the converter keeps working even if your connection drops after the page loads.

Is there a file size limit?

There is no server-side limit. The only limit is the memory available to your browser, typically 1.5–4 GB on desktop computers.

Can I convert several PCX files at once?

Yes. Add as many files as you like; they are converted in parallel according to your device's CPU cores, and you can apply the same settings to all of them.

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