PDF & DOCUMENTS

Reduce PDF File Size

Rasterize PDF pages at a chosen quality to make a smaller image-based PDF when possible.

Local + downloaded code
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QUICK ANSWER

What is Reduce PDF File Size?

Reduce PDF File Size is a browser-based utility designed to rasterize PDF pages at a chosen quality to make a smaller image-based PDF when possible.

Search intent
Complete the “compress PDF” task with one PDF and a JPEG quality setting and verify an image-based PDF plus before-and-after size results.
Input
one PDF and a JPEG quality setting
Output
an image-based PDF plus before-and-after size results
Common tasks
compress PDF · compress pdf locally
Ready to start
Your input stays in this tab
PDF workspaceChoose PDF files up to 50 MB each.
HOW IT WORKS

How to use Reduce PDF File Size

  1. Add a PDFReview the warning before choosing JPEG quality.
  2. Rasterize locallyEach rendered page becomes a JPEG image in a new PDF.
  3. Compare sizesWhaleTu reports both sizes and warns if the result is larger.
Capability limits
  • Removes searchable text, links, forms and vector detail.
  • A smaller result is not guaranteed and this is not lossless compression.
  • Rasterization removes searchable text, links, forms and vector detail.
  • A smaller result is not guaranteed.
COMMON QUESTIONS

Reduce PDF File Size FAQ

Is this lossless PDF compression?

No. It rasterizes pages and can reduce visual quality.

What if the result is larger?

The size comparison says so and the original file remains untouched.

What does Reduce PDF File Size do?

Rasterize PDF pages at a chosen quality to make a smaller image-based PDF when possible. The expected result is an image-based PDF plus before-and-after size results.

What input does Reduce PDF File Size accept?

Use one PDF and a JPEG quality setting. The page validates supported formats and explains known limits before or during processing.

Does Reduce PDF File Size upload my data?

No. Processing happens inside this browser tab and input content is not included in WhaleTu analytics.

Is Reduce PDF File Size free to use?

Yes. No account is required.

CAPABILITYreduce-size
PROCESSINGlocal resources
INDEX STATUSCanonical tool page
LIMITS4 disclosed