PDF Compressor

About the PDF Compressor

Upload forms and mail servers usually cap attachments long before a scanner does. The PDF Compressor rewrites your document with tighter object streams and removes redundant structural data, which often trims a noticeable slice off the file size while leaving every page in place.

Results depend on how the original file was made. Text-heavy PDFs exported from office software usually shrink well, whereas a file that is mostly high-resolution photographs is already close to its floor; in that case compressing the images before building the PDF gives a much larger saving.

How to use the PDF Compressor

1. 1Upload the PDF you want to make smaller.
2. 2Press Compress and wait for the comparison to appear.
3. 3Read the before and after sizes along with the percentage saved.
4. 4Download the smaller file if the saving is useful, or clear and try a different source file.

Features

• Object stream and cross-reference optimisation
• Honest before and after size comparison, including cases with little gain
• All pages, text and images retained
• No watermark added to the output
• Single-click reset for the next document

Why people use it

• Get under strict attachment limits on job portals and government forms.
• Speed up sharing over slow connections.
• Store archives that take less space without losing pages.
• See straight away whether compression is worth using for a given file.

Common use cases

• Trimming a scanned application pack to fit a 5 MB upload limit.
• Preparing lighter PDFs for a newsletter or download page.
• Reducing a slide deck export before emailing it to a large group.

Privacy and your data

Compression runs inside your browser tab. The document is never uploaded, so confidential contracts and statements stay on your machine.

Frequently asked questions

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