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Mod Header
Developer Tools · exact count
Use Mod Header extension to simple modify headers with flexible header modification tools for developers and web testers online. — from the store listing
Current users
2,000
7-day change
+1K (+100%)
30-day change
—
Confidence
High
Published
Aug 19, 2026
First seen
Sep 26, 2026
Category
Developer Tools
Observation window
7 d
Last checked
Oct 4, 2026
Trend streak
—
Observation history
Each point is one verified observation. Nothing is interpolated or smoothed.
| Observed | Users |
|---|---|
| Sep 27, 2026 | 1,000 |
| Sep 28, 2026 | 1,000 |
| Oct 4, 2026 | 2,000 |
Why this rank
Published 53d ago; +1K+ users over a 7-day verified window (≈100% from a 1K+-user baseline).
Data source: extension_tracker