Compress PDF to 1 MB

Why a 1 MB limit?

1 MB is the friendliest of the common limits — and the most universal. E-learning platforms, CMS and website uploads, application systems, and plenty of email providers draw the line at 1 MB per document. It's also simple courtesy: a 12 MB scan clogs inboxes and chat threads when a 900 KB version reads just as well.

Because 1 MB leaves generous headroom, compression at this level is usually invisible in normal reading: the tool starts with its gentlest setting and often gets a multi-megabyte scan under 1 MB on the first pass, preserving detail throughout.

Getting under 1 MB — usually painless

1 MB accommodates around 20–30 scanned pages at good quality, or almost anything digital. Situations where this page helps:

• Scanner overkill: office scanners at 600 DPI produce 10× larger files than needed. Compressing to 1 MB removes that excess with no visible cost.
• Combined documents: if you've merged several PDFs into one bundle, the result often just exceeds 1 MB — one compression pass fixes it.
• Photos inside documents: photo-heavy PDFs benefit the most; embedded camera images carry most of the file size and compress well.

How to compress your PDF to 1 MB

1. Open your PDF. Drop it into the box above — the current size is shown immediately.
2. Compress. The target "Under 1 MB" is already selected. Click Compress PDF.
3. Download. Check the before/after size and save the copy. Your original stays untouched.