Compress PDF
Shrink PDF file size while keeping the best quality possible.
Runs in your browser — files never leave your device
or drop files here
How to compress a PDF
Make PDFs smaller for email, WhatsApp and upload portals. Pick a compression level, or a target size such as 200 KB and the tool keeps the sharpest version that fits. Large images are resampled and the rest of the file is optimised losslessly — all on your device.
Add one or more PDF files.
Choose a compression level, or Target file size and a limit such as 200 KB.
Click Compress PDF and download the smaller file.
Compress PDF FAQ
It depends on what's inside. Scans and photo-heavy PDFs often shrink by half or more; PDFs made mostly of text are usually small already and change little.
Yes. Text, vector graphics and fonts are kept as they are; only large images are resampled.
No. Compression runs in your browser, on your device.
No. The tool runs entirely in your browser, so your files are processed on your own device and never leave it.
Yes. Every PDFCraftly tool is free, with no sign-up, no watermark and no email required.
Guides
- USCIS File Too Large? Compress a PDF Under 12 MB for Evidence UploadsUSCIS online accounts reject evidence files over 12 MB and password-protected PDFs. How to shrink a scan under the limit without uploading it anywhere.
- CEAC Document Upload: Get NVC Scans Under the 4 MB File Size LimitThe State Department's CEAC portal takes immigrant visa scans up to 4 MB each, in color, as PDF or JPG. How to compress an I-864 or civil document to fit.
- Compress a PDF for a UK Visa Application: UKVCAS, VFS Global and TLScontact Upload LimitsUKVCAS takes PDF, JPG and PNG files up to 7.25 MB each; VFS and TLScontact show their limit on the upload page. How to shrink visa documents to fit.
- Compress a PDF for a UK University Application: 2 MB, 4 MB and 5 MB Portal LimitsLSE and Edinburgh cap each upload at 2 MB, Oxford at 4 MB and UCL at 5 MB. How to compress transcripts, certificates and references to fit each portal.
- IRCC File Size Limit: How to Compress a PDF Under 4 MB for Your UploadIRCC accepts 4 MB per file in most online accounts and 5 MB in the IRCC Portal, one file per field. How to compress and combine PDFs to fit.
- ImmiAccount Attach Documents: How to Compress a PDF Under 5 MBImmiAccount accepts documents up to 5 MB each and up to 60 per person, and rejects encrypted PDFs. How to compress, merge and unlock files to fit.
More optimize tools
- Compress JPGNewShrink photos and signatures to a size you choose, like 50 KB.
- Increase PDF SizeNewMake a PDF bigger in KB to meet a portal's minimum file size.
- Increase JPG SizeNewMake a photo or signature bigger in KB to meet a form's minimum size.
- Repair PDFNewTry to rebuild a damaged or corrupted PDF and save a clean copy.
- OCR PDFTurn scanned PDFs into searchable, selectable text.
- Remove AnnotationsStrip comments, highlights and markups from a PDF.