image / file

PNG to WEBP Converter

Shrink PNG files into WEBP when web delivery matters more than editability.

Use PNG to WEBP for modern delivery, but keep a master file if you still need an archival editable original.

Input
png
Output
webp
Speed
Usually under a minute
Best for
web optimization • product galleries
Convert your file

Upload PNG

Supported input: png. Max file size: 100 MB.

File availability

Downloads stay available for 1 day on your current access level.

Ready files get a temporary download link that you can open or share.

Convert multiple files

Convert multiple files

If you repeat the same format change often, you can prepare a batch and process several files together.

Batch conversion is available on the Pro plan. Sign in to upload up to 25 files at once for this converter.

After upload, SwapMyFile checks the file, runs the conversion, and prepares a temporary download link.

Step by step

How to use this converter

  1. 1

    Choose a PNG file

    Start with a supported PNG source and check that the file is the version you want to convert.

  2. 2

    Review the format notes

    PNG to WEBP Converter explains what is preserved, what can change, and which settings matter before upload.

  3. 3

    Upload PNG

    Upload the source file, run the conversion, and download the finished WEBP result from the temporary link.

  4. 4

    Keep the original

    Save your original PNG file until you have checked that the WEBP output fits the next app or publishing flow.

Expected output

You receive a WEBP file that matches the stated converter limits. Good for site assets and lighter payloads while keeping visual quality high.

Before you convert

Common issues to check

  • - quality settings matter
  • - downstream tooling must support WEBP
  • - fine detail if aggressive lossy settings are used

Not ideal for

  • - quality settings matter
  • - downstream tooling must support WEBP
  • - fine detail if aggressive lossy settings are used

Before you start

You should know the result and the limits before the upload begins.

Automatic file cleanup
Clear format and size limits
Temporary download links
No signup for basic use

What stays

  • - dimensions
  • - transparency in supported modes

What may change

  • - fine detail if aggressive lossy settings are used

Known limitations

  • - quality settings matter
  • - downstream tooling must support WEBP

Typical use cases

  • - web optimization
  • - product galleries
  • - static asset pipelines

Available options

  • - quality
  • - lossless mode
  • - metadata

FAQ

What happens during PNG to WEBP conversion?

The converter can produce either smaller lossy output or larger lossless WEBP depending on the chosen mode.

Are uploaded files kept permanently?

No. Files are kept only for a short time and downloads are served through temporary links.

Can quality or formatting change?

Yes. Each converter page calls out what is preserved, what may be lost, and which settings matter before upload.

Guides and comparisons

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