webp

.webpWebP Image Format

Google · 2010

Developer
Google
Category
Images
MIME Type
image/webp
First Released
2010
Open Format
Yes
File Signature
52 49 46 46 ... 57 45 42 50 (RIFF...WEBP)
At a Glance
.webp
WebP Image Format

WebP is a modern image format developed by Google that provides superior lossless and lossy compression for images on the web.

Reviewed on April 28, 2026
Compression
Lossless
Transparency
Yes
Editability
Medium
Best for
visual assets

Key Features

  • Lossless storage behavior for typical image workflows
  • Common MIME type: image/webp
  • Recognizable file signature: 52 49 46 46 ... 57 45 42 50 (RIFF...WEBP)
  • Associated with Google

Best For

  • Visual media and web publishing
  • Screenshots or photos
  • Assets that need broad compatibility

Less Ideal For

  • Tasks needing executable logic
  • Large datasets or tabular analysis
  • Files that must preserve every edit forever

Common Use Cases

  • Storing photos or screenshots
  • Publishing graphics on websites
  • Sharing images in apps and email

How to Open It

  1. On Windows, open the file with Windows Photos or Adobe Photoshop.
  2. On macOS, open the file with Preview (macOS 12+) or Adobe Photoshop.
  3. If the file does not open, confirm that the extension really matches .webp and that the download or transfer completed without corruption.

What is a .webp file?

WebP is a modern image format developed by Google that provides superior lossless and lossy compression for images on the web. WebP images are typically 25-34% smaller than equivalent JPEG images and 26% smaller than PNG images while maintaining comparable visual quality. WebP also supports transparency (like PNG) and animation (like GIF), making it a versatile replacement for multiple older formats. All major browsers now support WebP.

Programs That Open .webp Files

PlatformProgram
WindowsWindows PhotosFree
Adobe PhotoshopPaid
GIMPFree
macOSPreview (macOS 12+)Free
Adobe PhotoshopPaid

Common Problems with .webp Files

⚠️ Cannot open .webp file
Install one of the recommended programs listed above. For a free option, try the first free program in the list.
⚠️ .webp file is corrupted
Try re-downloading the file. If the file was transferred, ensure the transfer completed without errors.

Frequently Asked Questions

What program opens .webp files?

.webp files can be opened with several programs. Windows Photos is one of the most popular choices.

Is .webp a safe file format?

Generally yes, .webp files are safe to open with appropriate software.

Can I convert .webp to another format?

Yes, there are many online and offline tools available to convert .webp files. Check the conversion section above for specific methods.

Technical Details

WebP Image Format files use the image/webp MIME type and were first introduced in 2010 by Google. The file can be identified by its signature: 52 49 46 46 ... 57 45 42 50 (RIFF...WEBP).

Did You Know?

WebP Image Format was first released in 2010 by Google

Security Information

.webp files are generally safe to open. However, always ensure your software is up to date to protect against potential vulnerabilities.

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