Compress Image to 5 KB
Shrink any picture to under 5 KB, right in your browser.
or browse filesdrop images here or paste · see all compressors
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Shrink any picture to under 5 KB, right in your browser.
or browse filesdrop images here or paste · see all compressors
Open your picture and it is compressed to less than 5 KB, at or under the cap, automatically. The tool searches for the highest quality that stays below the cap, and because 5 KB is tiny it also scales the dimensions down just enough for the file to fit. The size card shows the original size, the new size and the saving before you download, and the preview is the actually compressed image, so what you see is exactly what the form receives.
Nobody picks 5 KB for a holiday photo. The number belongs to signature fields on exam and banking forms, thumbnail and icon uploads, and the occasional portal that caps a scanned initial at 5 KB. A signature scanned on white paper compresses extremely well, because most of the image is flat white, so it usually keeps its full dimensions under the cap. A face photo has to shrink to roughly 150 to 250 pixels on its long side, which is still enough for an avatar or a thumbnail.
If the form asks for a slightly larger file, compress image to 10 KB, 15 KB or 20 KB instead; each page opens with its target already set, and the presets on this page jump to them with your picture carried across. For any other number, the target box accepts it, and the Quality button swaps the target for a slider - the mode the main Compress Image tool opens in. The full compressor collection shows every cap side by side.
Black ink on plain white paper, cropped tightly around the signature, gives the smallest file by far. Grey paper, shadows and a wide margin all cost bytes. Crop first if you can, then drop the scan here: at 5 KB a clean signature stays perfectly legible as a JPG.
Your signature or photo never leaves your device. Compression happens entirely in your browser, with no upload, no queue and no account. For a signature that is exactly how it should be handled.
Open the image and the tool automatically finds the highest quality that fits under 5 KB, scaling the dimensions down as far as needed. Check the preview and press download: the size shown is measured from the real encoded bytes, not estimated.
Yes, at small dimensions. A face at around 150 to 250 pixels fits comfortably as a JPG and still reads clearly as a thumbnail or avatar. Signatures and line drawings fit at much larger dimensions because most of the image is plain white.
Sign with black ink on white paper and crop close to the signature before compressing. The flatter the background, the smaller the file, and the tool keeps the signature legible under the cap.
No. Everything happens in your browser and the compressed file saves straight back to your device. No server ever sees the image.