# Driftwatch

> A free, browser-based schema diff tool for Supabase developers. Compare Dev and Prod environments instantly — no install, no server, no data sent anywhere.

## What it does

Driftwatch lets you compare two Supabase projects side by side across 14 schema sections:
- Tables, Columns, RLS Policies, Triggers, Functions, Indexes, Enums
- Foreign Keys, Check Constraints, Sequences, Extensions
- Storage Buckets, Bucket RLS, Realtime Publications

## How it works

1. Select which schema sections to compare
2. Copy the generated SQL snapshot query
3. Run it in both Supabase projects, export results as JSON
4. Paste both JSON outputs into Driftwatch and hit Run Diff
5. Results appear instantly in the browser with a downloadable Markdown report

## Key facts

- 100% in-browser — no data is ever sent to a server
- Free forever
- No sign-up or install required
- Takes ~30 seconds to run a full diff
- Open source: https://github.com/Versa-Sync-Studios/driftwatch

## Use cases

- Catching schema drift before deploying to production
- Auditing RLS policy mismatches between environments
- Verifying migration completeness
- Checking which tables have Realtime enabled in each environment
- Identifying missing indexes in production

## URL

https://driftwatch.online