PPM to WEBP Converter

Convert PPM (Portable Pixmap image) files to WEBP online, for free, with nothing to install.

To convert PPM to WEBP, select or drop your .ppm picture above, check that WEBP is chosen as the output, and click Convert. Files up to 200 MB are converted right in your browser, so they never leave your device.

What is a PPM file?

PPM – Portable Pixmap image. PPM (Portable Pixmap) is a very simple, uncompressed color picture format from the Netpbm family. Programs that process images use it because it is easy to read and write.

PPM Converter →

What is a WEBP file?

WEBP – WebP image. WebP is a format from Google for the web. It makes pictures smaller than JPG or PNG, supports transparency and animation, and is read by every current browser.

WEBP Converter →

How to convert PPM to WEBP

  1. Click Select File, or drop your .ppm files anywhere on this page. You can add several at once.
  2. Check that WEBP is chosen as the output format. On this page it is picked for you.
  3. Click Convert. When a file has to go to our server, the button says Upload and convert instead.
  4. Click Download next to each file when it's done.

PPM vs WEBP: how they compare

PPMWEBP
CompressionNoneLossy or lossless
TransparencyNoYes
AnimationNoYes
Created byNetpbm family (Jef Poskanzer), 1980sGoogle, 2010
Best forImage processing tools and testsSmaller pictures on websites

Good to know

  • Choose a quality in Options: lower numbers make a smaller WEBP with less detail.
  • Tick Remove metadata in Options to leave out information stored in the picture, such as the camera and the place.

Frequently asked questions

Is converting PPM to WEBP free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my PPM pictures uploaded anywhere?

Pictures up to 200 MB never leave your device: ConvertKitty converts them inside your browser, with ImageMagick compiled to WebAssembly. Only larger files, or formats your browser cannot handle (camera RAW, PostScript, XPS, LibreOffice and Publisher files, and video or audio), are sent to our server, over an encrypted connection, and deleted 72 hours after the conversion. The button says "Upload and convert" whenever that happens.

How large can the PPM file be?

Files up to 200 MB are converted right in your browser. Larger files, up to 1 GB, are converted on our server.

Can I change the size or quality of the WEBP?

Yes. Click Options next to the file to set a width and height, choose a quality, remove metadata and more. Only the settings that make sense for PPM to WEBP are shown.

Can I convert several PPM files at once?

Yes. Add as many files as you like; they are converted one after another, and each one gets its own Download button.

Convert PPM to other formats

Convert other pictures to WEBP

All image formats

Updated