Install Zayenha Tools on your device
Quick access from your home screenCompare text between two PDFs and show diffs. Click "Choose file" or drag a PDF into the drop zone, then click the action button and download the result instantly. It all runs directly in your browser; your files are never sent to an external server. Fully available on the free plan within its quota.
Compare text between two PDFs and show diffs
Yes — the tool works in full on the free plan within its quota (10 ops/day · 50/month). Pro raises the quota to 500/day · 5,000/month.
Yes, completely. Compare PDFs runs entirely inside your browser — your files and data are never sent to any external server and never leave your device.
Yes, the tool is fully responsive and works smoothly on all devices — mobile, tablet, and desktop. You can also install Zayenha Tools as an app on your device.
Only an initial connection is needed to load the page. After that, all data processing runs entirely on your device without requiring a continuous connection.