Compare Design Proofs

Verify changes between two versions of a printable proof or layout.

Nid oes angen mewngofnodiMae ffeiliau'n aros yn breifat

Original (A)

Gollwng ffeiliau yma, neu cliciwch i bori

PDF dim cyfyngiad maint ffeil

Pori ffeiliau

Changed (B)

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PDF dim cyfyngiad maint ffeil

Pori ffeiliau

Nid yw eich ffeiliau byth yn gadael eich dyfais. Mae'r holl brosesu yn digwydd yn lleol yn eich porwr.

Drop two PDFs to compare them page by page — side by side, as an onion-skin overlay, or with changed areas highlighted. Both files stay in your browser.

design proofs tips

🎨

The pixel-difference view catches subtle visual changes — a moved logo, a colour tweak, a shifted margin.

🧅

Onion-skin overlay is perfect for checking alignment between two layout versions.

✅

A page that reports near-0% change confirms a proof matches the approved version.

🔒

Client artwork is compared in your browser only.

Sut Mae'n Gweithio

Dewiswch Ffeil

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

Proses

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Lawrlwythwch

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

Pam defnyddio ein un ni?

✓Hollol rhad ac am ddim - dim costau cudd, byth

✓Nid oes angen cyfrif, e-bost na mewngofnodi

✓Nid yw ffeiliau byth yn gadael eich dyfais

✓Dim cyfyngiadau maint ffeil o gwbl

✓Dim dyfrnodau ar unrhyw allbwn

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📜

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🎓

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See what changed between two versions of an academ

Cwestiynau Cyffredin

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