All processing happens locally in your browser using WebAssembly. Your files are never uploaded to any server and never used to train AI models.
View both document versions simultaneously with synchronized scrolling.
Changed text and content differences are visually highlighted for quick review.
Both documents are loaded and compared locally in your browser — sensitive documents stay private.
LovePDFs is a completely free alternative to Adobe Acrobat, Smallpdf, and ilovepdf. Unlike other online tools that upload your files to remote servers, LovePDFs processes everything in your browser using WebAssembly technology. Your files never leave your device — not even for a second.
This makes LovePDFs the right choice for sensitive documents — contracts, medical records, financial files, government forms, and anything you wouldn't want sent to a third-party server. It's also the only major PDF tool suite that is GDPR-friendly by design, since no personal data or file content ever leaves your browser.
Upload both PDFs to LovePDFs Compare tool. The documents are displayed side by side with differences highlighted — no server upload needed.
Upload the original and revised contract versions. The comparison highlights text changes, additions, and deletions between the two documents.
Yes — LovePDFs PDF comparison runs entirely in your browser. Both documents are loaded locally and never sent to any external server.
Have a question, feedback, or feature request? We'd love to hear from you.
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