For legal teams
Redline contracts in seconds. Compare two versions of an NDA, service agreement or filing – Word vs PDF, signed vs draft – and see exactly what changed.
Document Comparison
Delta
Starting at SGD 49 / user / month
Document comparison. Fast. Precise. Fair.
Delta compares Word, PDF, Markdown, HTML, RTF and text files with color-coded highlighting of every difference – side-by-side or as a redline. The professional alternative without enterprise pricing.
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Side-by-side & unified
Original and modified version with synchronised scrolling, or every change in one redline view, your choice.
Cross-format
Compare Word with PDF, Markdown with HTML, or any other combination. All formats work seamlessly.
Move detection
Automatically detects moved paragraphs and highlights them in purple with clickable references.
Change navigation
Jump to the next change with one keystroke. Sidebar with an overview of every difference.
Native & offline
Native macOS and Linux app. Your documents never leave your machine – no upload, no cloud.
Dark mode
Easy on the eyes for long comparison sessions.
For editors and writers
Catch every word that changed between drafts. Works with Markdown, HTML and plain text too – perfect for copy editing, translations and AI-assisted writing.
For anyone working with documents
Tax returns, technical specs, research papers – anywhere you need to know what changed. No upload, no cloud, no enterprise license required.