Open the converter for your source
Pick the converter that matches your file: JPG, PNG, HEIC, AVIF, BMP, or GIF to WebP. All of them output a compact WebP that can keep transparency.
Free online image to WebP converters
Convert images to WebP online for a smaller, faster-loading file that can keep transparency. This hub links JPG, PNG, HEIC, AVIF, BMP, and GIF to WebP converters that run locally in your browser and never upload your image.
Choose a converter
Each converter accepts one source format and outputs WebP. Files are processed locally in your browser.

Convert a JPG photo to a smaller, modern WebP.
Websites and CMS assets that support WebPOpen converter →
Convert a PNG graphic to a compact WebP while keeping transparency.
Transparent graphics and UI assetsOpen converter →
Convert an iPhone HEIC photo to a compact WebP.
Web uploads from iPhone photosOpen converter →
Convert AVIF to the more widely supported WebP.
Platforms that prefer WebP over AVIFOpen converter →
Shrink an uncompressed BMP into a modern web image.
The largest possible size reductionOpen converter →
Turn the first GIF frame into a compact static WebP.
Thumbnails and previewsOpen converter →How it works
The process is the same for every source: to convert an image to WebP, pick the matching converter, choose the image, and download the WebP. Nothing is uploaded at any step.
Pick the converter that matches your file: JPG, PNG, HEIC, AVIF, BMP, or GIF to WebP. All of them output a compact WebP that can keep transparency.
Drop the file in or open the built-in demo, then adjust Output quality to balance size and detail. The preview updates live.
Verify the converted result and the reported size, then download a separate WebP file. Your original is never overwritten.

Format reference
The WebP format sits between JPG, PNG, and WebP. This table shows the tradeoffs at a glance.
| Format | Compression | Transparency | Best starting use |
|---|---|---|---|
| JPG | Lossy with quality control | No | Photos, compatibility, small files |
| PNG | Lossless | Yes | Graphics, logos, sharp text, edits |
| WebP | Lossy or lossless | Yes | Compact modern web images |
Honest answer
No. WebP is efficient and supports transparency, but it is not accepted by every tool. Some upload forms, legacy editors, and printers still reject WebP files.
Use WebP for modern websites, apps, and CMS platforms. For maximum compatibility or print, convert to JPG or PNG instead. The right format depends on where the image will be used.
Practical jobs
These are the common situations where a WebP output solves a real problem.
WebP cuts image weight dramatically, improving load time and Core Web Vitals on image-heavy pages.
Modern CMS platforms and ecommerce systems accept WebP. Convert before upload to ship smaller assets.
Mobile and desktop apps that support WebP benefit from smaller asset bundles and faster installs.
Smaller WebP files reduce bandwidth costs and data usage for every visitor.
Know the limits
The live converters accept JPG, PNG, WebP, HEIC, AVIF, GIF, and BMP sources. Every converter runs in your browser: files are decoded, redrawn, and encoded locally, and nothing is uploaded. Keep the original file and verify the preview before downloading.
More conversions
Researched questions
Direct answers about cost, privacy, formats, file size, and which converter to open for your source.
Yes. Every WebP converter on this page is free, with no account, subscription, watermark, or daily conversion limit.
Choose the converter that matches your source format, drop the file in, adjust output quality, and download the WebP. Processing happens locally in your browser.
For most images, yes. WebP uses a more modern encoder, so it often delivers the same visual quality in significantly fewer bytes than JPG or PNG.
WebP supports lossy encoding, so some detail can be discarded when you lower output quality. At a high quality setting the result is usually visually identical to the source.
Yes. WebP supports an alpha channel, so transparent pixels from a PNG or WebP source remain transparent in the output.
Yes. Open the HEIC to WebP converter on this hub. The HEIC file is decoded locally in your browser with a WebAssembly HEIF decoder before encoding to WebP.
No. All WebP converters here decode, redraw, and encode files in this browser tab. There is no image upload endpoint.
All modern browsers open WebP. A few legacy apps do not, so keep a JPG or PNG fallback when compatibility is critical.
Files up to 100 MB are accepted, within about 24 megapixels and 8192 px per side.
Match the converter to your source: JPG to WebP, PNG to WebP, HEIC to WebP, AVIF to WebP, BMP to WebP, or GIF to WebP. If your file is already WebP, no conversion is needed.
Ready to convert
Open the converter for your source format, choose a file, and download the WebP result. No upload, no signup.