How is this different from comparing the text?

A text comparison only catches changed sentences. A shifted table cell, or a missing seal or signature image, leaves the text identical and stays invisible. This tool also overlays the pages as images, so those changes get boxed as well.

Do scanned documents work?

Yes. A scan has no text layer so the sentence list stays empty, but the image comparison works as usual. Choosing “images only” is faster.

Do the files get uploaded to a server?

No. Reading and rendering the PDFs both happen inside your browser.

What if the page counts differ?

Pages present on only one side are marked “only in A” and “only in B”. If the paper sizes differ, they are overlaid against the larger one.

PDF revision compare

Name: PDF 판본 대조
Author: KarmoLab

Text and image compared · only the changes highlighted · finished inside the browser

PDF 판본 대조

문서 두 판본에서 바뀐 자리만 형광으로 짚어 줍니다. 글자와 그림을 함께 보아 표·도장이 밀린 것도 잡습니다

원본 (A)
PDF 를 끌어다 놓거나 눌러서 고르세요

변경본 (B)
비교할 PDF 를 넣으세요

보는 눈 보통

무엇을 볼까

바뀐 페이지만 보기

두 판본을 넣고 대조를 누르세요. 파일은 브라우저 밖으로 나가지 않습니다.

Compares two revisions of a PDF at once and marks what changed. It catches shifts that text alone would miss — a moved table, a stamp — and the files never leave your browser.

How to use it

Add the original (A) and the revised (B) PDF
Choose what to compare — text+image / text only / image only
Hit Compare
Check the boxed spots on each page, and the added and removed lines

Common questions

How is this different from comparing the text?: A text comparison only catches changed sentences. A shifted table cell, or a missing seal or signature image, leaves the text identical and stays invisible. This tool also overlays the pages as images, so those changes get boxed as well.
Do scanned documents work?: Yes. A scan has no text layer so the sentence list stays empty, but the image comparison works as usual. Choosing “images only” is faster.
Do the files get uploaded to a server?: No. Reading and rendering the PDFs both happen inside your browser.
What if the page counts differ?: Pages present on only one side are marked “only in A” and “only in B”. If the paper sizes differ, they are overlaid against the larger one.

Other tools

Stays on your device What you enter is handled inside your browser only — nothing is stored or sent anywhere.

This tool page states where what you enter goes — see the badge above. All tools · KarmoLab · Who made this · Built with AI. View source