Compare Paper or Thesis Drafts

See what changed between two versions of an academic document.

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Original (A)

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Changed (B)

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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.

academic tips

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Compare a draft against your supervisor's returned version to find every edit.

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The difference view highlights changed regions so you can focus your re-read.

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Works across long documents — page through to review each section.

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Unpublished work stays private on your device.

Cómo funciona

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

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

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

¿Por qué usar el nuestro?

✓Completamente gratis — sin costes ocultos, nunca

✓Sin cuenta, correo ni registro requerido

✓Los archivos nunca salen de tu dispositivo

✓Sin límite de tamaño de archivo en absoluto

✓Sin marcas de agua en ningún resultado

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Check what an editor or collaborator changed in a

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Find changed figures between two versions of a fin

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Verify changes between two versions of a printable

Preguntas frecuentes

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