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JPEG and every other format · no size limit · never uploaded
Check it yourself
Your images never leave this tab.
Open your browser's developer tools, switch to the Network tab, and convert a file. You will see the encoder and its WebAssembly module load from this domain the first time, and then nothing — no upload, no image data, no request carrying your file anywhere. Turn off your Wi-Fi after the page loads and it still works.
A JPEG is already compressed, so the interesting question is not whether WebP is smaller — it is whether it is smaller at the same perceived quality. It is, by roughly a quarter to a half for typical photographs.
WebP achieves this with better prediction and a more modern entropy coder than JPEG’s 1992-era design. The practical effect is that gradients, skies and out-of-focus backgrounds — the places where JPEG spends bits badly — compress considerably harder.
One detail worth knowing: photographs from phones record their orientation as an EXIF tag rather than rotating the pixels. Converters that ignore this produce sideways images. This one applies the rotation before encoding.
Frequently asked questions
- How much smaller will my JPGs get?
- For most photographs, 25-50% smaller at visually equivalent quality. The exact figure depends on the image — fine detail like foliage or fabric texture compresses less well than smooth skies or portrait backgrounds. The savings for every file are shown as you convert.
- What quality setting should I use?
- 80-90 is the right range for photographs on the web, and we default to 82. Below about 70 you start to see blocking in gradients and skies. Above 95 the file grows quickly for a difference almost nobody can perceive.
- Will my photos come out rotated?
- No. Photos from phones store their orientation in an EXIF tag rather than rotating the actual pixels, which is why badly written converters produce sideways images. We apply the rotation to the pixels before encoding, so the output is upright.
- Does converting strip my EXIF and GPS data?
- Yes, by default — camera model, timestamps and GPS coordinates are removed, which is usually what you want before publishing a photo. Rotation is applied to the pixels first so the image still displays correctly. You can keep the metadata under Advanced.
- Is re-compressing an already lossy JPG a bad idea?
- There is some generation loss, since you are encoding an image that already has JPEG artifacts. In practice, at quality 80 or above the result is visually indistinguishable from the JPEG for normal web use. If you still have the original raw or PNG, converting from that will always give a better result.
Other conversions
Each converter opens with the right output format already selected, so the file you drop comes back in the format you came for.
Convert WebP to another format
Convert images to WebP
- Convert PNG to WebP Keep the transparency, drop most of the file size. Lossless mode is one click away if you need pixel-exact output.
- Convert JPEG to WebP The same conversion as JPG — the two extensions are one format. Smaller files, same picture.
- Convert HEIC to WebP iPhone photos, converted in the browser. No app, no upload, and it works on iOS Safari where most converters do not.
- Convert AVIF to WebP Usually a compatibility move rather than a size one. WebP opens in more places than AVIF still does.
- Convert GIF to WebP Static GIFs convert cleanly and shrink hard. Animated GIFs convert to their first frame — and we will tell you when that happens.
- Convert TIFF to WebP Scans and print files, converted to something a browser can actually display.
- Convert BMP to WebP BMP stores pixels essentially uncompressed. Expect the file to get very substantially smaller.
- Convert SVG to WebP Turning vector into pixels. You choose the size, because a vector does not really have one.
Convert to PNG or JPG
- Convert HEIC to JPG Turn the photos your iPhone actually shot into the format everything else can open. The pictures never leave your device.
- Convert HEIC to PNG Convert iPhone photos into PNG when the software you are feeding demands it. Lossless, private, and free.
- Convert SVG to PNG Rasterize vector artwork into PNG at the exact size you need, with the transparent background intact.
- Convert SVG to JPG Rasterize vector artwork into JPG for the places that will not take anything else. Free, unlimited, nothing uploaded.
- Convert TIFF to JPG Turn enormous archival scans into files you can actually email. Free, unlimited, and nothing leaves your machine.
- Convert TIFF to PNG Convert archival scans into PNG without losing a pixel — the right choice when the page is text, plans or line art.
- Convert AVIF to JPG You downloaded an AVIF and nothing on your computer will open it. This turns it into a JPG that everything opens.
- Convert AVIF to PNG Convert AVIF into PNG for the software that has never heard of AVIF. Transparency intact, nothing uploaded.
- Convert GIF to PNG Convert GIF into PNG without losing a pixel — and escape the 256-colour palette for good.
- Convert GIF to JPG Convert GIF into JPG for the systems that insist on it. Free, unlimited, and nothing leaves your machine.
- Convert BMP to PNG Shrink uncompressed Windows bitmaps dramatically without losing a single pixel. Free, unlimited, nothing uploaded.
- Convert BMP to JPG Turn enormous uncompressed bitmaps into files you can actually send. Free, unlimited, and nothing leaves your machine.
Convert your images without handing them over.
No account, no upload, no limit on how many files you throw at it.
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