Is Compress PDF free?

Yes. Compress PDF is free to use and does not require an account.

Are my PDFs uploaded to a server?

No server upload is required for the PDF compression workflow. The page loads compression resources, then processes the selected PDF in your browser.

What do Low, Medium, and High mean?

Low keeps the best image quality, Medium is recommended for most files, and High applies stronger image compression for a smaller PDF.

Will PDF compression remove pages?

It should not remove pages in normal use, but you should always open the compressed PDF and confirm page count before submitting or deleting the original.

Will compression remove fonts or text?

The compressor does not intentionally flatten pages into images. If your PDF has a real text layer, text should remain selectable after compression.

Why did my PDF barely get smaller?

The file may already be optimized, mostly text, or contain assets that cannot be reduced much without damaging quality. Image-heavy PDFs usually compress more.

Can I compress multiple PDFs at once?

Not currently. Compress PDF supports one PDF at a time.

Can I compress password-protected PDFs?

Password-protected or encrypted PDFs may not process correctly in the browser. Remove protection only if you have the right to do so and keep the original safe.

No PDF uploaded

Supports one PDF file up to 200MB

Compress PDF

Compression level

Compress PDF Online

Compress PDF online for free. Choose low, medium, or high compression to reduce PDF file size while keeping text selectable.

What is PDF compression?

PDF compression reduces file size so documents are easier to store, share, and upload. PhoEdit Compress PDF works as a simple PDF compressor for embedded images while keeping PDF text as text.

Why choose PhoEdit Compress PDF?

Choose the compression level that fits your document. Larger compression resources are loaded only when needed, then your file is processed in the browser without uploading it to PhoEdit servers, helping you reduce PDF size for forms, email, and portals.

How to compress a PDF

Upload one PDF file from your device or drag it into the upload area.

Choose Low, Medium, or High compression.

Click Compress PDF and wait for processing to finish, then check whether the smaller file meets your upload limit.

Download the compressed PDF.

Compress PDF features

Low, medium, and high compression

Pick a quality level for your PDF. Stronger levels reduce image quality more, but text should remain selectable.

Text-preserving output

The compressor avoids turning full pages into flat images, so normal PDF text is kept as text whenever the source PDF has a text layer.

On-demand resources

Larger compression files load only when needed from the configured PhoEdit asset domain.

Browser PDF processing

Your PDF is processed locally in the browser after the compression engine resources are loaded. The document does not need to be uploaded to PhoEdit servers.

PDF Compression Guide

Compress PDF online for upload and sharing limits

Use Compress PDF when a form, email, portal, or messenger refuses a file because it is too large. This browser PDF compressor is designed for practical reduction: select a PDF, choose a compression level, and download the smaller file when you need to reduce PDF size.

Document checks before submission

A smaller PDF is only useful if the important content still survives. After compression, open the download locally and compare page count, scan readability, signatures, tables, images, and selectable text against the original before sending it anywhere official.

Files that deserve extra review

Scanned IDs, receipts, and forms where small text must stay readable.
Signed or annotated documents that must retain every page and mark.
Portfolios or reports where image sharpness is part of the content.
Already-optimized PDFs, which may shrink very little even at stronger settings.

Before you delete or submit a file

Keep the original PDF until the compressed copy has been accepted.
Confirm every page opens and appears in the expected order.
Zoom into scanned text and important images to check quality loss.
Use a less aggressive level if the document is for legal, school, or business submission.

PDF output and compatibility

The tool accepts PDF files. Output is a new PDF. Password-protected, encrypted, damaged, extremely large, or unusual PDF files may fail or may not compress significantly.

Compression limits

Some PDFs are already optimized and will shrink only a little. Compression can reduce image sharpness, especially in scanned documents. Interactive forms, annotations, signatures, metadata, or embedded features may not behave exactly like the original after processing, so review the result carefully.

Browser PDF processing privacy

PDF compression runs in the browser and loads its engine from PhoEdit model/asset hosting when needed. Your selected PDF is processed locally by the browser workflow and is not intentionally uploaded to PhoEdit for storage.

Tips before submitting compressed PDFs

Always keep the original PDF, especially for signed, legal, or archival documents.
Use medium compression first and compare readability before choosing high.
If a scanned PDF remains huge, rescanning at a lower resolution may work better than repeated compression.
Open the result before sending it to confirm every page is present.