Tips & Tutorials

Step-by-step help and practical tips for getting the most out of the free tools.

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How to Hit an Exact File-Size Limit for Any Upload

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Tips & Tutorials

How to Hit an Exact File-Size Limit for Any Upload

Whatever the number — 20 KB, 200 KB, 2 MB — the method for reliably landing under it is the same. Here is a repeatable process for any limit.

By DocImageHub Team · Sep 20, 2026

The Best DPI for Scanning Documents

Higher DPI is not automatically better — it mostly means a bigger file for detail nobody will see. Here is the right setting for each kind of document.

By DocImageHub Team Sep 20, 2026

Why Is My PDF File So Large?

Before you can shrink a PDF effectively, it helps to know what is actually taking up the space. Here is how to find out and what usually explains it.

By DocImageHub Team Sep 20, 2026