Two versions in. The changes that matter out.

Upload the old and new version of a contract or policy. Get every material change, side by side, with where it is.

Coming soon · for anyone asked to "just sign the new version"

One email when it launches. Nothing else, and never shared.

Open source underneath

Built with

WhatChanged is a thin layer on open-source packages. Star them, fork them, build your own micro.

Open-source context and state for AI: it keeps only what matters for the question.

In WhatChanged: Reads long inputs and keeps the passages that answer the question, so every result can quote its source.

Open-source Svelte components for clean, accessible interfaces.

In WhatChanged: Renders the interface: inputs, results, dialogs.