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2026-04-12

How to reduce PDF file size free

A PDF that is too large is a daily problem: Gmail rejects it as an attachment, WhatsApp won't let it through or the web portal throws an error. In this guide we explain how to reduce any PDF size in seconds.

Why is the PDF so large?

PDF size mainly depends on the images it contains. A pure text PDF can weigh 100 KB; the same document with photos can exceed 10 MB. PDFs generated from scans tend to be especially large.

How to compress a PDF online

Upload the PDF to debarrio.app's compression tool. The system automatically optimizes internal images and removes redundant data. No configuration or sign-up needed.

How much does the size reduce?

Depends on content. A PDF with many images can reduce by 40-70%. A pure text PDF reduces less (10-20%). In both cases the result remains perfectly readable.

Is quality lost when compressing?

Text never loses quality. Images compress slightly but the result remains readable and printable in most cases.

Size limits by platform

Gmail allows attachments up to 25 MB. WhatsApp accepts documents up to 100 MB. Government portals often limit to 5-10 MB. Compressing before uploading avoids errors in all these cases.

Try it yourself, it's free:

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