FollowLine

Private Instagram relationship analyzer

Upload your Instagram export files and compare followers and following entirely in the browser.

No backend · No storage · No tracking

Upload Instagram export files

Submit one follower file and one following file. The analysis happens locally in your browser.

Followers file

Choose followers_1.json.

Look for the exported file that lists people who follow you.

Following file

Choose following.json.

This file lists people you follow.

How to export your Instagram data

  1. Open Instagram settings and go to Privacy & Security.
  2. Select Download data and request JSON format.
  3. Download the archive, unzip it, and upload followers_1.json and following.json or following_1.json.

Relationship stats

Quick totals and group counts based on your imported data.

Total followers 0
Total following 0
You follow, they don’t follow back 0
They follow you, you don’t follow back 0
Mutual followers 0

Relationship groups

Review your mutuals, one-way follows, and non-followers.

Relationship results
Username Profile Added Actions
Upload both files to view results.

Upload both files to view results.

Privacy and security

FollowLine processes your Instagram export files entirely in your browser. No data is sent to a server, and nothing is stored in local storage, session storage, cookies, or analytics services.

The app is compatible with GitHub Pages because it is fully static and uses only HTML, CSS, and JavaScript.