Compress to 100KB: a practical guide

Certain visa portals, tender systems and tendered form submissions reject anything heavier than a fixed ceiling, and 100 KB is one of the strictest limits still in daily use. Getting under it usually means accepting a lower resolution on photographic content, and this tool does that automatically instead of making you redo your document in a different program. It is worth remembering that hitting such a small target on a scanned, text heavy document can reduce legibility, so always open the result and zoom in before submitting.

Certain visa portals, tender systems and tendered form submissions reject anything heavier than a fixed ceiling, and 100 KB is one of the strictest limits still in daily use. Getting under it usually means accepting a lower resolution on photographic content, and this tool does that automatically instead of making you redo your document in a different program. It is worth remembering that hitting such a small target on a scanned, text heavy document can reduce legibility, so always open the result and zoom in before submitting.

How to use it: Select the PDF that must pass a 100 KB check. Then Run the strong compression pass. Then Review the final size indicator. Then Download the file once it is under the limit..

Targets the exact 100 KB ceiling. Automatically lowers image resolution. Shows the resulting file size. Warns when legibility is affected.

Try the tool

Compress PDF to 100 KB — Force a PDF under the 100 kilobyte limit that many portals enforce, by downscaling images and thinning out heavy content.