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Getting an image under 100 KB
100 KB is enough for a clear profile picture, an ID photo or a photo of a document for most online forms.
For a JPEG we first try an optimized re-encode that keeps every pixel exactly as it is. If that is not enough, we reduce the dimensions and quality step by step until it fits.
Tips
- A PNG comes back as a PNG, with its transparency kept.
- Photographing a document? Shoot it flat and in good light, filling the frame. Less background means more detail survives.
- We keep your image's shape and never crop it, so crop first if the form wants a particular framing.
Questions
Will a WebP image stay a WebP when compressed to 100 KB?
Yes. A WebP goes through the same steps as a JPEG, from 4000 pixels on the longest side down to 800 with quality lowered alongside, but each step is saved as a WebP. Any transparent areas in it stay transparent.
Can I get a 30 MB camera photo down to 100 KB?
Yes, uploads up to 50 MB are accepted, and a JPEG of up to 64 megapixels. Going from 30 MB to 100 KB keeps about one byte in 300, so the photo is scaled down a long way. A large JPEG is shrunk while it is being decoded, which keeps the work quick.
Why does my 100 KB image load blurry first and then sharpen?
The result is saved as a progressive JPEG, which a browser draws as a rough full picture first and then refines as the rest of the file arrives. The finished image is the same. Progressive encoding often also comes out slightly smaller, which helps when squeezing under 100 KB.
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