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Is there a file size limit to compare two PDFs?

Updated July 2026

On the free plan you can compare two PDFs with files up to 10 MB and 25 pages. Pro raises this to 200–500 MB and up to 1000 pages, and Lifetime to 1 GB with unlimited pages. Comparing two PDFs highlights what changed between versions — added, removed and edited text — so you can review revisions at a glance.

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Answer

On the free plan you can compare two PDFs with files up to 10 MB and 25 pages. Pro raises this to 200–500 MB and up to 1000 pages, and Lifetime to 1 GB with unlimited pages. Comparing two PDFs highlights what changed between versions — added, removed and edited text — so you can review revisions at a glance.

More about compare pdf

Comparison highlights text differences between two versions of a document.

It is the fast way to review contract or draft revisions.

Both files are processed privately and deleted after the job.

How to compare two PDFs

  1. 1

    Open the compare tool

    Sign in and open the Compare tool.

  2. 2

    Add both PDFs

    Upload the original and the revised version.

  3. 3

    Compare

    Arthize highlights the differences between them.

  4. 4

    Review

    Scan the highlighted changes side by side.

Common questions

How do I compare two versions of a PDF?
Comparing two PDFs highlights what changed between versions — added, removed and edited text — so you can review revisions at a glance. On Arthize it's free with no watermark and processed privately.
Can I see what text changed between two PDFs?
Comparing two PDFs highlights what changed between versions — added, removed and edited text — so you can review revisions at a glance. On Arthize it's free with no watermark and processed privately.
Is comparing PDFs free?
Comparing two PDFs highlights what changed between versions — added, removed and edited text — so you can review revisions at a glance. On Arthize it's free with no watermark and processed privately.

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