Private document comparison

Know exactly
what changed.

Paste two versions of a proposal, policy, scope, or agreement. Revision Lens turns the differences into a clean report you can review and share.

Compare two versions No signup · No document storage · Free to use
Text-only comparison250,000 charactersMarkdown exportZero document retention

Try Revision Lens

Two versions in.
A useful report out.

Revision Lens pairs modified lines, separates additions and removals, and calculates partial similarity instead of treating every edit as a total rewrite.

Ready · document text is not stored

Built for real revision work

Stop rereading the whole document.

Use Revision Lens when the question is simple but consequential: what changed between the version I reviewed and the version in front of me now?

01

Proposals & SOWs

Catch changed prices, deliverables, terms, and dates before approval.

02

Policies & procedures

Turn a revised policy into a concise list of additions, removals, and edits.

03

Specifications & scopes

See which requirements moved without losing the source wording.

04

Agreements & drafts

Create a portable Markdown record for discussion and review.

Privacy by architecture

Your words are input,
not inventory.

Comparison text is processed in memory to generate your report. Revision Lens does not write your documents to application storage.

  • No account required
  • No document library
  • No training on your text
  • Text is processed in memory
Hosting providers may retain ordinary infrastructure request logs. Do not use Revision Lens for regulated or legally privileged material.