changedetection.io

Get notified when a web page changes, such as a price drop or a restock.

Hobbies Apache-2.0

Reviewed version 352b036

What it does

changedetection.io watches websites for you and tells you when something changes. Use it for prices, stock, news, appointment slots, government notices and more. It highlights exactly what changed, can wait for a page to load like a real browser, and sends alerts to email, chat apps and over 80 other services.

  • Visual change highlighting
  • Price, restock and keyword triggers
  • 80+ notification services
  • Optional real-browser fetching

Great for: Shoppers, job and flat hunters, and anyone who checks the same page again and again.

  • LicenceApache-2.0
  • Where it runsYour computer (free)
  • Built withpython, javascript
  • Your dataNone stored
  • Sourcedgtlmoon/changedetection.io

Ways to use it

Your AI helps you choose, based on what you need, and sets it up with you in plain words.

  • On my own computerFreeYour AI installs what it needs and explains each step. It works while your computer is on.

How people are using this project

Examples of what people ask their AI to do with changedetection.io. Start from one, or just tell your AI and it will ask what you'd like.

Can I trust it?

  • Apache-2.0. Free to use, change and share, even commercially. Keep the licence and copyright notices, and note your changes. It includes a patent licence.
  • Your data: stores no personal data. JSON files and saved snapshots in the datastore folder.
  • Other services: Notification services via Apprise (email, Telegram, Discord, Slack and more) (optional, free); Headless browser (Playwright, optional) (optional, free)
  • Reviewed version. Your AI always gets exactly the version we've checked.
  • Respect each site's terms and don't fetch too often.
  • Notification URLs can contain tokens. Never paste them into an AI chat.
  • Bind it to localhost or add a password before exposing it.

Did it work for people?

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