Get your PDF under 100KB for portals with strict upload limits.
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Powered by Hyper Compress: it recompresses images, subsets and merges fonts, and strips dead weight while text, links, and forms keep working. For image-only scans, turn on Rasterize pages under Custom Settings.
Hyper Compress finds the best quality that fits. Leave it empty to use the level as is.
Fine-tune Hyper Compress. Picking a compression level resets these, except Override content protection, Convert to grayscale, Preserve PDF/A, and Brotli.
Processing...
To compress a PDF to 100KB, add your file below and click Compress PDF. The target size is already set to 100 KB, so Hyper Compress picks the best image quality that still fits. Everything runs inside your browser and the PDF is never uploaded to a server, so even sensitive documents like ID scans and application forms stay on your device.
A 100KB cap is common on job application portals, government e-filing systems, university admission forms, and visa or immigration websites. These systems usually reject larger files outright, often without a helpful error message, so compressing before you upload saves a failed submission.
A text-based PDF of a few pages. a resume, cover letter, or typed form. compresses below 100KB easily with no visible change. Scanned documents and photo-heavy files are harder: to hit 100KB they need stronger image downscaling, so expect visibly softer images. If your scan still will not reach 100KB, the result tells you the smallest size it could make. If the scan has no text layer, turn on Rasterize pages under Custom Settings to rebuild each page as one optimized image, or split the document and compress the pages you actually need to submit.
Remove pages you do not need before compressing. Prefer documents exported straight from an editor over scans. a re-typed one-page form is often 20KB while the same page scanned is 500KB. If you control the scanner, scan at 150 DPI in grayscale instead of 300 DPI color.
Click or drag and drop one or more PDF files
Pick Low, Medium, High, or Lossless compression
Optionally set a target size or adjust custom settings such as grayscale, then compress
Save your compressed PDFs - up to 90% smaller
Not always. Short text-based PDFs almost always can. Long or heavily scanned documents may bottom out above 100KB, and the result message tells you when that happens. In that case split the file or rescan at a lower DPI and compress again.
You can leave it on Medium. The 100 KB target is already filled in, so Hyper Compress steps image quality down only as far as it needs to. Pick Low instead if you want it to start from higher quality, and for image-only scans that still won't fit, turn on Rasterize pages. Nothing is uploaded, so retries are instant.
Yes. Text, links, and form fields are preserved. Rasterize pages only applies to scans with no text layer, so it never turns selectable text into an image unless you turn on Override content protection.
Yes. Compression runs entirely in your browser using WebAssembly. The file never leaves your device, which matters for the ID documents and applications that 100KB limits usually involve.