Compress photo to 10 KB
To compress a photo to 10 KB: upload your image, select the “To size” mode and enter 10 KB — Sevio lowers the quality until the file fits the limit. 10 KB is very strong compression: fine for icons, avatars and simple graphics, while detailed photos will show visible artifacts. No sign-up, and your file is deleted automatically after processing.
Upload up to 20 images at once with a total size of up to 30 MB — completely free, no sign-up required. Create an account or to compress up to 30 images with a total size of up to 50 MB.
Drop files here
individual images or a ZIP archive with images
JPG, JPEG, WebP up to 20 MB are processed instantly in the browser. Larger files and PNG, AVIF, HEIC formats are processed on the server.
Compression mode
applies to all files
Quick pick
How it works
- 1
Drop your images or pick files — a ZIP archive works too.
- 2
Choose the compression mode and, if needed, a target size.
- 3
Download the results one by one or as a single ZIP.
When exactly 10 KB is required
The 10 KB limit appears where a file must be truly tiny: site icons, forum avatars, e-mail signatures and “signature” fields in electronic forms. A category of its own is legacy government portals and school record systems, where the cap was written back in the dial-up era and never revisited since.
For simple graphics that kind of compression goes unnoticed: a logo on a flat background or a 256×256 icon carries little fine detail, so the encoder has almost nothing to throw away. Real photographs are where it gets hard — there, 10 KB is limited not by quality but by resolution.
Why lowering quality alone is not enough
JPEG file size depends on two things: quality and pixel count. A 4032×3024 shot is 12 million pixels, and even at minimum quality it physically cannot fit into 10 KB — that leaves under one bit per pixel. The encoder hits its floor and hands back a 40–60 KB file instead of the 10 KB you asked for.
The fix is to reduce the resolution. A practical rule: to land on 10 KB reliably, the long edge should be around 600 pixels or less. Enable downscaling in the settings and the target becomes reachable — a 600×800 image at medium quality lands right in the 8–12 KB range.
If 10 KB does not work out
Check how the requirement is actually worded. “Under 10 KB” often turns out to mean the resolution or the format rather than the file weight, so it is worth confirming what the form really validates. If the cap is genuine but the compressed photo looks unacceptable, try the neighbouring thresholds: 20 KB buys a visibly cleaner image at almost the same weight, and 50 KB is the working minimum for a document photo a human is meant to inspect.
What compressing to 10 KB actually produces
| Source image | Original size | Result | What you notice |
|---|---|---|---|
| Icon or logo, 256×256 | 60 KB | 10 KB | No visible difference |
| Forum avatar, 400×400 | 150 KB | 10 KB | Fine detail slightly softened |
| Document photo, 1200×1600 | 800 KB | 10 KB after downscaling to 600×800 | Face stays legible, skin smoothed |
| Phone landscape, 4032×3024 | 4 MB | Won’t get there without downscaling: ~50 KB | Heavy artifacts — pick 100 KB instead |
Figures are averages: the real result depends on how much fine detail and how many sharp edges the frame holds. A flat background compresses several times better than foliage, fabric or asphalt texture.