Track followers, find who doesn't follow you back, and get real-time alerts when someone unfollows. All from a simple Chrome extension.
Get a complete list of your followers and the accounts you follow. See who's who at a glance.
Find out who you follow that doesn't follow you back, and who follows you that you don't follow.
Get notified when someone unfollows you. Set the check interval and let Stalky watch for you.
Compare your follower list against a previous snapshot. See exactly who's new and who left.
Look up any public Instagram account to see their followers, following, and non-mutual connections.
Export follower lists in CSV, JSON, or TXT format. Copy usernames to clipboard with one click.
All processing happens locally in your browser. Nothing is sent to us.
No analytics, no telemetry, no third-party SDKs of any kind.
Uses your existing Instagram session. No registration required.
You can inspect exactly what the extension does. Nothing is hidden.
Stalky is a Chrome extension that uses your active Instagram session to fetch your follower and following lists. It runs entirely in your browser and doesn't store any data on external servers.
Yes. Stalky uses the same requests your browser makes when you browse Instagram. It doesn't share your data with third parties and all processing happens locally on your device.
Stalky stores follower snapshots locally in your browser's storage so it can detect changes between fetches. This data never leaves your device and can be cleared at any time by removing the extension.
Stalky reads your Instagram session cookies (the same ones your browser already has) to authenticate requests to Instagram on your behalf. These cookies are never transmitted to any server other than Instagram.
Yes, completely free. All features are available with no limits, no trial, and no account required.