Text Diff Tool

【Core Features】 ・Compare text line by line and highlight the exact changes within each line ・Automatically detects moved blocks instead of treating them as deleted and added. ・Switch between “Show All” and “Show Differences Only” views ・Ignore case, leading/trailing whitespace, custom text, or subtitle numbers and timestamps (SRT / VTT) ・Independent undo/redo for each text box ・View statistics for differences, added lines, and removed lines 【Privacy & Security】 ・All text comparison and file processing are performed locally in your browser. Nothing is uploaded to a server, and the extension does not connect to external networks. ・This extension requires no Chrome permissions and does not access your browsing history, other tabs, or personal data. Pasted or loaded content stays on your computer.