Built for upload forms
Government, exam, visa and job portals reject photos above a set size. Set the exact KB limit and pixel size they ask for and get a file that passes first time.
Compress image to 100 KB
Compress an image to an exact size in KB.
Type the limit your form asks for, add your photo, and get the sharpest image that fits. Set a minimum size or exact pixel dimensions too. Runs in your browser, so your documents stay private.
How it works
- Add your photo or scan
- Check the limit is set to 100 KB
- Download the image, guaranteed under the limit
Upload neededNone
WatermarkNever
PriceFree
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Exact size compressor
Drop images here
Drag and drop images
JPG, PNG or WebP. Add several at once, or paste with Ctrl+V.
Your images
Compressed images appear here, each guaranteed under your limit.
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Best quality that fits
The tool tests dozens of quality levels and sizes and keeps the sharpest version under your limit, rather than crushing every image to the same low quality.
Batch and private
Compress photos, signatures and scans together. Nothing is uploaded, which matters when the files are ID documents.
Questions
Why does a form say my image is too large when it looks small?
Upload forms check the file size in kilobytes, not how big the picture looks. A phone photo is usually 2–5 MB (2,000–5,000 KB), so it has to be compressed and often resized to fit limits like 50 KB.
Will it ever go over my limit?
No. Some websites count 1 KB as 1,000 bytes and others as 1,024 bytes, so we use the stricter reading. A file that says 'under 50 KB' here passes either way.
What if the form also has a minimum size?
Enter it in the Minimum size box. If an image comes out too small, the tool raises the quality or the pixel size until it is between your minimum and maximum.
The form asks for exact pixel dimensions. Can I set those?
Yes. Enter the width and height (for example 200 × 230) and the image is cropped from the centre to that exact size before compressing.
Are my files uploaded anywhere?
No. Everything happens inside your browser on your own device. Your files are never sent to a server, which is faster and keeps private photos and documents private.
Is it free?
Yes. There is no sign-up, no watermark and no daily limit.