How much can a PDF be reduced?

It depends on its content. PDFs with many photos or scanned pages shrink the most; text-only PDFs are already small and shrink little.

Will the text still be selectable?

It depends on the level you choose: stronger levels convert pages to images to save space. If you need selectable text, choose the lighter level.

Is there a file size limit?

You can process PDFs up to 100 MB. Very large files depend on your device’s memory.

Can I compress a password-protected PDF?

Remove the password first (you need to know it) and then compress it.

Are my files uploaded to a server?

No. Everything is processed inside your browser and your files never leave your device. There is no upload, no queue and no temporary storage, so the tool keeps working even if you go offline after the page has loaded.

Yes. There is no sign-up, no watermark and no daily limit. The site is funded by a few unobtrusive ads around the tools, never inside your files.

Compress PDF

Upload a PDF, choose the compression level and download a lighter file. The PDF is processed in your browser, so it is never uploaded to a server.

Free, no sign-up and no uploads: processing happens in your browser · Updated September 18, 2026

Upload your PDF

Drag here or click · PDF · Max. 100 MB

You can also paste a copied PDF with Ctrl+V

How it works

Compression re-encodes the PDF’s internal structure using compact object streams. It works best on PDFs with many objects or created by verbose tools. Text and embedded images are not modified.

Fit email and upload limits

Most email services cap attachments at 20–25 MB and many forms at a few MB. Shrink your PDF to fit without retyping anything.

Related tools

Combine documents with Merge PDF or split them with Split PDF.

Related tools

Merge PDF

Combine several PDFs into a single file.

Split PDF

Split a PDF into pages or extract a range.

PDF to JPG

Convert each PDF page into a JPG image.

PDF to Word

Convert a PDF into an editable Word document (.docx).

Frequently asked questions

How much can a PDF be reduced?: It depends on its content. PDFs with many photos or scanned pages shrink the most; text-only PDFs are already small and shrink little.
Will the text still be selectable?: It depends on the level you choose: stronger levels convert pages to images to save space. If you need selectable text, choose the lighter level.
Is there a file size limit?: You can process PDFs up to 100 MB. Very large files depend on your device’s memory.
Can I compress a password-protected PDF?: Remove the password first (you need to know it) and then compress it.
Are my files uploaded to a server?: No. Everything is processed inside your browser and your files never leave your device. There is no upload, no queue and no temporary storage, so the tool keeps working even if you go offline after the page has loaded.
Is it really free?: Yes. There is no sign-up, no watermark and no daily limit. The site is funded by a few unobtrusive ads around the tools, never inside your files.