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Convert Images From and To WebP

Convert PNG, JPG, GIF, BMP, TIFF, SVG, AVIF, and more to WebP or back to PNG, JPG, GIF, BMP, and PDF. Unlike other converters, we never keep your files or use them for AI training. Your images, your copyright. Completely free, no catch.

Drop your images here

or click to browse files

PNG, JPEG, GIF, BMP, TIFF, SVG, WebP

Max file size: 50 MB

Built for developers

Integrate image conversion into your stack with our REST API or connect it directly to AI workflows with the MCP server.

Convert any image with a single request

Send a multipart POST and get back the converted file. Supports WebP, PNG, JPG, GIF, BMP, and PDF output. 60 requests/min, 10 MB max, no authentication.

POST/api/v1/convert
curl -X POST https://convert2webp.com/api/v1/convert \
  -F "file=@photo.png" \
  -F "output_format=webp" \
  -F "quality=80" \
  -o photo.webp
View full docsFree, no signup required

How it works

1

Drop your files

Drag images into the converter or click to browse. Works on Windows, Mac, Linux, and mobile. No software to install.

2

Choose format and quality

Convert to WebP or from WebP back to PNG, JPG, GIF, BMP, or PDF. Adjust the quality slider to control the size vs fidelity tradeoff.

3

Download results

Conversion happens instantly in your browser. Download individual files or grab everything in a single ZIP. Your images never leave your device.

Convert from WebP

Need to go the other way? Convert WebP images back to PNG, JPG, GIF, BMP, or PDF. Useful when you need to edit an image in software that does not support WebP, share files via email, or when a platform requires a specific format.

PNGJPGGIFBMPPDF

What is WebP?

WebP is an image format developed by Google, first released in 2010. It uses both lossy and lossless compression to produce files significantly smaller than JPEG or PNG at the same visual quality. Google uses WebP extensively across its own products, including YouTube thumbnails, Google Play, and Google Photos.

The practical impact is speed and cost. A typical website using WebP instead of JPEG will transfer 25-34% less image data on every page load. For an e-commerce site with hundreds of product images, that translates to measurably faster load times, improved Core Web Vitals scores, and reduced hosting bandwidth costs.

WebP supports transparency (alpha channel), animation, and ICC color profiles. It replaces JPEG, PNG, and GIF in a single format. Browser support is above 97% globally. Google PageSpeed Insights specifically recommends serving images in WebP format as a performance optimization.

WebP vs other formats

How WebP stacks up against JPEG, PNG, GIF, and AVIF across key metrics.

FormatLossyLosslessTransparencyAnimationBrowser supportTypical size vs WebP
WebP✓✓✓✓97%1x (baseline)
JPEG✓✗✗✗100%1.3-1.5x larger
PNG✗✓✓✗100%2-5x larger
GIF✗✓✓✓100%3-10x larger
AVIF✓✓✓✓93%0.7-0.9x smaller

Frequently asked questions

WebP is an image format developed by Google that produces smaller files than JPEG or PNG at the same visual quality. It supports lossy compression, lossless compression, transparency, and animation. The file extension is .webp. Browser support is above 97% globally.

Drop your JPEG file into the converter above, adjust the quality slider if needed, and click Convert. The conversion runs entirely in your browser. No software to install, no files uploaded to any server.

Select "From WebP" mode in the converter, drop your WebP file, choose PNG as the output format, and click Convert. PNG preserves full transparency. The conversion runs locally in your browser.

Switch to "From WebP" mode, drop your WebP image, select JPG as the output, and convert. Adjust the quality slider to control file size. Note that JPG does not support transparency, so transparent areas will become white.

Yes. WebP files are 25-34% smaller than equivalent JPEGs, which directly reduces page load time. Google PageSpeed Insights specifically flags sites that serve images in older formats. Switching to WebP is one of the easiest performance wins for any website.

No. Google fully supports WebP in image search and recommends the format in PageSpeed Insights. Faster page loads from smaller images actually improve your SEO, since page speed is a ranking factor. Just make sure your image filenames and alt text stay descriptive.

At quality 80-85, the visual difference between JPEG and WebP is imperceptible to the human eye, but the file will be 25-34% smaller. If you need pixel-perfect output, your images may increase in size. For most use cases, quality 80 gives the best balance.

Yes. Drop up to 100 files into the converter at once. They process sequentially and you can download all converted files as a single ZIP archive. No file count restrictions or watermarks.

No. All conversion happens locally in your browser using the Canvas API. Your images never leave your device. You can verify this by opening your browser network tab or disconnecting from the internet and using the tool offline.

Quality 80 is the sweet spot for most web images. It gives a 25-34% size reduction over JPEG with no visible difference. For thumbnails or previews, 60-70 works well. For hero images where quality matters most, try 85-90.

For web use, yes. WebP is smaller than JPEG and PNG in virtually every scenario, and browser support is above 97%. The only exception is if you need to support very old browsers or specialized software that only reads JPEG/PNG. For those cases, convert from WebP back to the format you need.

It can. WebP images are 25-34% smaller than JPEG, which means less storage space and less bandwidth per page view. For image-heavy sites with significant traffic, the bandwidth savings alone can noticeably reduce hosting costs.

WebP has a few drawbacks. Some older image editing software does not support it natively. Email clients often do not render WebP images. And if you need to share images outside the web, JPEG or PNG may be more universally accepted. For web delivery, there are no meaningful disadvantages.

Yes. Convert2WebP runs entirely in your browser, so it works on any device with a modern browser. Windows, Mac, Linux, iOS, Android, and Chromebook. No app or software installation needed.

Yes. The browser converter is completely free with no limits, no watermarks, and no signup. The REST API is also free with a rate limit of 60 requests per minute.

Need programmatic conversion?

Our free REST API lets you convert images to and from WebP in any language. Simple endpoints, generous rate limits, no signup required.

View API docs
cURL
curl -X POST https://convert2webp.com/api/convert \
  -F "file=@image.png" \
  -F "quality=80" \
  -o output.webp

About Convert2WebP

Convert2WebP is a free image conversion tool built for speed and privacy. It converts images to and from WebP format directly in your browser. No uploads, no accounts, no tracking pixels watching what you convert.

The browser converter uses the HTML Canvas API for fast encoding and decoding. Your images stay on your device at all times. The entire conversion pipeline runs client-side, which means the tool works offline and handles sensitive images safely.

For developers, Convert2WebP provides a free REST API with simple endpoints for server-side image conversion. Send an image, get back a WebP. No signup or API key needed.

Convert2WebP also ships as an MCP (Model Context Protocol) server, letting AI assistants and LLM-based tools perform image conversions as part of automated workflows. Install it as a tool in your AI environment and convert images programmatically through natural language.