WebP

Writable

image

compact raster graphics file format designed to replace .gif, .png and .jpeg on the web

Identify it

Extensions	`.webp`
MIME types	`image/webp`
PRONOM	`fmt/566fmt/567fmt/568`
Wikidata	`Q62617958`
Library of Congress	`fdd000577`

Not sure your file is this? Identify it from its first bytes, in your browser.

Open it

GD Graphics LibraryOpen sourcewrites · BSD licenses
ImageMagickOpen sourcereads and writes · ImageMagick License
Q108353872Open sourcereads and writes · GNU General Public License, version 3.0
Q141647655Open sourcereads and writes · Apache Software License 2.0 / MIT License
Q141647660Open sourcereads and writes · Apache Software License 2.0 / MIT License
Q141647662Open sourcewrites · Apache Software License 2.0 / MIT License
AbydosOpen sourcereads · GNU Lesser General Public License
ConverseenOpen sourcereads · GNU General Public License, version 3.0
GodotOpen sourcereads · MIT License
imageioOpen sourcereads · 2-clause BSD License
MapLibre GL JSOpen sourcereads · 3-clause BSD License
Mozilla FirefoxOpen sourcereads · Mozilla Public License, version 2.0
PhotoRecOpen sourcereads · GNU General Public License
PixiEditorOpen sourcereads · GNU Lesser General Public License, version 3.0
Q130252332Open sourcereads · Apache Software License 2.0 / Creative Commons Attribution 4.0 International / MIT License
TesseractOpen sourcereads · Apache Software License 2.0
ThorVGOpen sourcereads · MIT License
ZenphotoOpen sourcereads · GNU General Public License, version 2.0
Adobe Photoshop Elementsreads and writes
Asepritewrites · proprietary license
Clip Studio Paintwrites · proprietary license
PaintShop Pro X4reads and writes
Photopeareads and writes
PicPickreads and writes
Q1936840reads and writes
Affinity Photoreads
Mapbox GL JSreads · proprietary license
PaintShop Pro X6 Ultimatereads
PDF Gurureads
Q472277reads · freeware
SlideScopereads · proprietary license

Convert it

To	With	Fidelity	Command and losses
Portable Network Graphics	ImageMagick	Lossless	`convert in.webp out.png` Pixels kept; some metadata, colour profiles or layers may be dropped.
Tagged Image File Format	ImageMagick	Lossless	`convert in.webp out.tif` Pixels kept; some metadata, colour profiles or layers may be dropped.
GIF 89a	ImageMagick	Lossy	`convert in.webp out.gif` Reduced to 256 colours.
JPEG File Interchange Format 1.02	ImageMagick	Lossy	`convert in.webp out.jpg` Lossy compression.

Documentation

kaitai grammar: https://github.com/kaitai-io/kaitai_struct_formats/blob/master/image/webp.ksy

Versions and variants (3)

WebP ExtendedReadable
WebP LosslessWritable
WebP LossyReadable

Sources

From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), Just Solve the File Format Problem (File Formats Wiki), Kaitai Struct format gallery, Wikidata. Updated 2026-10-24.

Improve this record JSON