Free Online Compress PDF Tool

Reduce PDF size for email and upload limits. Download the compressed file and compare readability and size before replacing your original.

Temporary server processing No registration

PDF options

Supported inputs, outputs, and browsers

Supported input
PDF
Output
Compressed PDF
Browser compatibility
Use a current version of Chrome, Edge, Firefox, or Safari with JavaScript, secure uploads, and downloads enabled. Upload time and server decoding support can limit very large or unusual files.

How to use Compress PDF

  1. 1.For a 1 MB or 500 KB upload limit, compare the downloaded file size with the destination limit and inspect small text and scanned stamps.
  2. 2.Run the operation with the displayed controls, then open and review the result before sharing it.

Limitations

  • Compression cannot guarantee an exact target size or lossless results; already optimized PDFs may shrink very little.

Privacy and processing

Temporary server processing

The input is sent over HTTPS to the Free E Tools server only for the requested operation. Uploaded and generated files are temporary processing files, not permanent storage. No registration is required; avoid highly sensitive material when an online server workflow is inappropriate.

Frequently asked questions

What should I know before using Compress PDF?

Compression cannot guarantee an exact target size or lossless results; already optimized PDFs may shrink very little.

Where is my input processed?

The input is sent over HTTPS to the Free E Tools server only for the requested operation. Uploaded and generated files are temporary processing files, not permanent storage. No registration is required; avoid highly sensitive material when an online server workflow is inappropriate.