Image to WebP Converter
Turn JPG, PNG, GIF and BMP files into smaller WebP images in seconds, right in your browser.
Add one or more images to begin.
Your files are processed in your browser and are never uploaded.
How to convert an image to WebP
To convert an image to WebP, add your file to the tool above, leave the quality at 80 (or adjust it), click Convert to WebP, then download the result. The new file is usually noticeably smaller than the original JPG or PNG, and it keeps transparency.
- Drop your images into the box or tap it to pick files.
- Set the quality slider. 75 to 85 suits most photos.
- Optionally enter a maximum width to shrink big photos.
- Click Convert to WebP.
- Download each file, or use Download all.
Free image to WebP converter that works in your browser
This image to WebP converter re-encodes your pictures into Google's WebP format without sending them anywhere. You choose the quality, optionally cap the width, and get a smaller file you can drop straight into a website, blog or online store.
WebP is built for the web. Google reports that lossy WebP files are 25 to 34 percent smaller than comparable JPEGs, and lossless WebP is about 26 percent smaller than PNG. Smaller images mean faster pages, and faster pages tend to keep visitors around longer. You can read the format overview on Google's WebP page.
Why use this tool
There are plenty of converters out there. Here's what's actually different about this one, and every point is true for the code on this page.
- Nothing is uploaded. Conversion uses your browser's own image engine, so private photos stay on your device.
- No signup and no watermark. You get a clean file with no logo stamped on it.
- Batch conversion. Process up to 20 images in one go instead of repeating the steps.
- Built-in resizing. Setting a maximum width shrinks huge phone photos while converting, so you don't need a second tool.
- Honest results. Each file shows its before and after size, and the tool tells you when a WebP came out larger.
Step-by-step guide to converting images to WebP
1. Add your images
Drag files onto the dashed box, or click or tap it to open your file picker. On a phone, you can choose several photos from your gallery at once. If you add files twice, the second batch is appended to the first, up to 20 in total.
2. Choose a quality level
The slider runs from 1 to 100. Quality 80 is a sensible default for photos. For screenshots, text-heavy graphics and logos, try 90 or higher, because soft artifacts show up more around sharp edges. For large hero images that sit behind text, 65 to 75 is often fine.
3. Resize if you need to
A 12-megapixel phone photo is far bigger than any web page needs. Typing 1600 or 2000 in the width box scales the image down proportionally and never enlarges a smaller one. If you only want to resize without changing format, our Resize Image tool does that.
4. Convert and check the numbers
Click Convert to WebP. Each finished file appears with a thumbnail, its new dimensions, and the size change as a percentage. If the saving looks small, drop the quality by 5 to 10 points and run it again.
5. Download
Use the Download button beside each file, or Download all to save everything in turn. Your browser may ask permission to download multiple files the first time. Allow it, and the files will land in your usual downloads folder with a .webp extension.
Supported formats, specs and limits
These are the real limits of the code on this page. Some depend on your browser and device memory.
| Item | Detail |
|---|---|
| Input formats | JPG/JPEG, PNG, GIF (first frame), BMP, WebP, and AVIF where your browser can open it |
| Output format | WebP (lossy, quality 1 to 100) |
| Not supported | HEIC/HEIF, TIFF, RAW, PDF (see HEIC to JPG first for iPhone files) |
| Files per batch | Up to 20 |
| Size per file | Up to 25 MB |
| Resizing | Optional max width, 16 to 16,000 px, proportional, never upscales |
| Transparency | Preserved from PNG, GIF and WebP sources |
| Metadata (EXIF) | Not copied to the output |
| Animation | Not supported; only the first frame is converted |
| Browser requirement | A browser whose canvas can encode WebP (current Chrome, Edge, Firefox and Safari) |
Use cases
- Website owners and bloggers shrink featured images to improve load time and Core Web Vitals.
- WordPress and Shopify store owners convert product photos before uploading, so catalog pages stay light.
- Web developers batch-prepare assets for a build without installing command-line tools.
- Designers export logos and icons with transparent backgrounds at a fraction of the PNG size.
- Email and newsletter writers keep graphics small, though note that some email clients still don't display WebP.
- Photographers create lightweight web galleries while the full-size originals stay untouched on disk.
- Students and freelancers fit images under upload limits on portals and job platforms.
Key features and benefits
- Adjustable quality from 1 to 100 with a sensible default.
- Drag and drop plus a regular file picker for phones.
- Batch processing with a progress bar.
- Before and after file sizes for every image.
- Optional proportional resizing during conversion.
- Alpha transparency carried through.
- Dark mode that follows your device setting.
- Keyboard accessible controls and screen reader announcements.
Expert tips and common mistakes
Always keep your originals
Lossy conversion is a one-way trip. Once you save a WebP at quality 60, the detail you lost isn't coming back, so archive the source JPG or PNG somewhere safe.
Don't convert a compressed JPG at high quality expecting miracles
A JPG that was already squeezed hard has little left to remove. Converting it at 95 can even produce a bigger file. Start at 75 to 80 and compare.
Resize before you obsess over quality
A 4000-pixel-wide photo displayed in a 800-pixel column wastes most of its pixels. Cutting the width usually saves more than any quality tweak. If you need a precise crop first, use Crop Image.
Match quality to content
Photos hide compression well. Flat-color graphics, screenshots and small text don't, so give them a higher setting and zoom in to check the edges.
Provide a fallback where it matters
All current major browsers display WebP, but older apps, some email clients and certain social upload forms may reject it. If you need the old format back, try WebP to JPG.
Check the result at full size
Open the downloaded file and look at gradients, such as skies. Banding there is the first sign you've pushed quality too low.
Privacy and security
Your files are processed in your browser and are never uploaded. When you add an image, the page reads it locally, draws it onto a canvas element and asks your browser to encode that canvas as WebP. No server receives the image, and nothing is saved between visits.
The converted files exist only in your browser's memory until you download them or click Reset. Resetting releases them. Because EXIF data isn't copied, details like camera model or GPS coordinates in the original aren't carried into the WebP. That's a side effect of how canvas export works, not a dedicated privacy feature, so check the original separately if location data matters to you. For a purpose-built option, see the AI Metadata Cleaner.
This tool versus alternatives
Each approach has a place. Here's a fair look at how they differ.
| Feature | This browser tool | Desktop software | Server-based online converters |
|---|---|---|---|
| Install needed | No | Yes | No |
| Files leave your device | No | No | Usually yes |
| Fine-grained encoder settings | Quality and width only | Many options | Varies |
| Animated WebP | No | Often yes | Sometimes |
| Works on a phone | Yes | Rarely | Yes |
| Best for | Quick, private conversions | Heavy professional workflows | Formats a browser can't read |
If you need lossless control, animation, or RAW input, desktop software is the better choice. For everything else, a browser tool is faster. To compress without changing format, try Compress Image File.
Troubleshooting
The converted file downloads as PNG or won't convert
Your browser can't encode WebP from a canvas. Update it, or switch to current Chrome, Edge, Firefox or Safari.
My image failed to load
The file may be corrupted, renamed with the wrong extension, or in an unsupported format such as HEIC or TIFF. Re-export it as JPG or PNG and try again.
The page froze or the file failed on my phone
Very large photos use a lot of memory. Enter a max width of 3000 or less, and convert fewer files at a time.
The WebP is bigger than the original
The source was already heavily compressed. Lower the quality, set a smaller width, or keep the original.
My animated GIF isn't moving
Only the first frame is converted. Use a dedicated animation tool if you need an animated WebP.
Download all only saved one file
Your browser may have blocked multiple downloads. Allow downloads for this site, then click again, or use the individual buttons.
The colors look slightly different
Canvas export doesn't embed the original color profile. Images in unusual profiles such as Adobe RGB may shift slightly toward sRGB.
Glossary
- WebP
- An image format developed by Google that supports lossy and lossless compression, transparency and animation.
- Lossy compression
- Reduces file size by discarding detail the eye is least likely to notice.
- Alpha channel
- The layer of image data that stores transparency.
- Canvas
- A browser drawing surface that lets a page read, change and re-encode pixels. See MDN: toBlob.
- EXIF
- Metadata stored inside photos, such as camera settings, date and sometimes location.
Frequently asked questions
Is this image to WebP converter free?
Yes. It's completely free, with no daily limit, no watermark and no paid tier. You can convert as many images as your device can handle, and the converted files are yours to use however you like, including on commercial websites.
Is it safe to convert my photos here?
Yes. Conversion runs in your browser using the Canvas API, so your images are never uploaded to a server. You can confirm this by switching your device to airplane mode after the page loads and converting a file. It still works.
Do I need to create an account?
No. There's no signup, no email and no login. Open the page, drop in your images, choose a quality level and download the WebP files. Nothing is stored, so there's no history to manage or delete afterward.
What are the file limits?
You can add up to 20 images at a time, with each file up to 25 MB. Very large pixel dimensions may fail on phones with limited memory. If that happens, set a maximum width such as 4000 pixels and try again.
Does it work on iPhone and Android?
Yes. The tool is built mobile-first and works in current versions of Safari, Chrome, Firefox and Edge on phones and tablets. Tap the drop area to choose photos from your gallery. Very old browsers that can't encode WebP will show a clear message.
Will converting to WebP reduce image quality?
At the default quality of 80, the difference is usually hard to see at normal viewing size, while the file gets noticeably smaller. Lower settings add visible softness. Converting an already compressed JPG adds one more round of compression, so keep your originals.
Does it work offline?
Once the page has loaded, the conversion itself needs no internet connection, because all the code runs locally. You can't open the page for the first time while offline, but if it's already open in a tab, it keeps working.
Does WebP keep transparency from PNG files?
Yes. WebP supports an alpha channel, so transparent areas in a PNG stay transparent after conversion. This tool doesn't fill transparent pixels with a background color, which makes it a good fit for logos, icons and product cutouts.
What happens to animated GIFs?
Browsers draw only the first frame of an animated GIF onto a canvas, so the WebP you get is a still image of that first frame. This tool doesn't create animated WebP files, so keep the original GIF if you need motion.
Why is my WebP sometimes bigger than the original?
Files that were already heavily compressed, such as small or low-quality JPGs, can grow when re-encoded at a higher quality setting. Lower the quality slider, or resize the image first. The results list flags any file that ended up larger.
Convert your images to WebP now
Smaller images make for faster pages, and this image to WebP converter gets you there without uploads, accounts or watermarks. Scroll back up, drop in your files, pick a quality that looks right to you, and download your WebP images. Need to go the other way or resize first? The related tools below have you covered.