Instagram Unfollowers Checker
Check unfollowers Instagram online free. Discover who unfollowed you, who doesn't follow you back, and your mutual connections. All processing happens locally on your device for complete privacy.
Drag and drop your Instagram data files here
Drag and drop your Instagram data files here
How to get your Instagram data:
📖 View step-by-step guide with screenshots

Select Download or transfer information.
Quick summary:
- Go to Instagram Settings → Privacy and Security → Data Download
- Request a download of your data
- Select "HTML" format and "Followers and following" only
- Wait for Instagram to prepare your data (this can take up to 48 hours)
- Copy the text content from your downloaded files
Why Use Instagram Unfollowers Checker?
100% Private
All data processing happens in your browser. Your Instagram data never leaves your device.
Lightning Fast
Get instant insights into your unfollowers and follower relationships without waiting for uploads.
Detailed Analysis
Get comprehensive insights with timestamps and relationship history to track unfollowers.
Frequently Asked Questions
How do I get my Instagram data to check unfollowers?
Go to Instagram Settings → Privacy and Security → Data Download. Request a download in JSON format. Instagram will email you when your data is ready (usually within 48 hours).
Is my data safe when checking unfollowers?
Yes! All data processing happens locally in your browser. Your Instagram data is never uploaded to any server and remains completely private on your device.
What file format do I need to check unfollowers?
You can upload your Instagram data in two ways:
- ZIP file: Single file containing all your Instagram data (recommended)
- Separate files: Exactly 2 files - one followers file and one following file (HTML or JSON format)
Note: For HTML/JSON format, you must upload both followers and following files together for complete unfollowers analysis.
Can I check unfollowers offline?
Yes! Once the page loads, you can use this unfollowers checker completely offline since all processing happens in your browser.