---
title: "Modify Headers — HeaderSmith (MV3 ModHeader alternative) – Chrome extension stats, history and permissions"
description: "189 users, rated 5.00 by 1 person. Version 0.2.6, updated 2026-09-21. Requests 4 permissions."
url: "https://extensiontracker.com/extension/cjeccfigffehhiggbegenenmchobeabj"
---

# Modify Headers — HeaderSmith (MV3 ModHeader alternative)

Live in the Chrome Web Store.

- Users: 189
- Rating: 5.00 from 1 rating
- Last checked: 2026-11-09 02:03 UTC
- Users gained in 7 days: +23
- Users gained in 30 days: +23 (+13.9%)
- Rank by users: #52,210 of 292,131 live extensions
- Rank in Developer Tools: #4,645 of 30,442

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> A simple MV3 alternative to ModHeader. Add, edit & remove HTTP request & response headers by URL. Import your ModHeader rules.

- Extension ID: `cjeccfigffehhiggbegenenmchobeabj`
- Developer: [shota.katougi](https://extensiontracker.com/developer/ufda4581509ee89fcf047c472c841f768)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2026-05-07
- Last updated: 2026-09-21
- Version: `0.2.6`
- Size: 25.59 KiB
- Minimum Chrome: 88
- Languages (2): English, 日本語
- Website: `https://dev-tools-hub.xyz/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/modify-headers-%E2%80%94-headersm/cjeccfigffehhiggbegenenmchobeabj>
- View its code or download CRX: <https://crxpeek.com/extension/cjeccfigffehhiggbegenenmchobeabj>
- Search Google for the ID: <https://www.google.com/search?q=%22cjeccfigffehhiggbegenenmchobeabj%22&tbs=li:1>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-09 | 189 | 5.00 | 1 |
| 2026-10-07 | 166 | 5.00 | 1 |
| 2026-09-26 | 148 | 5.00 | 1 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-26.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

**Every website:** it can read and change your data on all the sites you visit.

### Sites

- `<all_urls>`: Every website

### Browser features

- `declarativeNetRequest`: Block or change network requests, using rules
- `declarativeNetRequestWithHostAccess`: Block or change network requests on the sites it can reach
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [SnapReply - Email Templates with Variables](https://extensiontracker.com/extension/pijandokkbhdejnoienhjmoicjapgpmk) | 17 | 5.00 | 1 | Tools |
| [DownloadMap — Find Downloadable Files on the Page](https://extensiontracker.com/extension/doiabflbddgncjgeibikajhkjacnilap) | 10 | – | – | Tools |
| [InboxSLA — Client Reply Deadlines & Missed-Reply Alerts](https://extensiontracker.com/extension/khjihbkcfmpjjkaloiaafhcapdchhmni) | 7 | – | – | Tools |
| [Website Blocker & Focus Timer — FocusGuard](https://extensiontracker.com/extension/flckiddekikkjfhgleabigdpjijpcaln) | 6 | – | – | Education |

All 5 extensions by [shota.katougi](https://extensiontracker.com/developer/ufda4581509ee89fcf047c472c841f768).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-11-09 02:03 UTC; next check around 2026-12-09.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Modify Headers — HeaderSmith (MV3 ModHeader alternative)” (cjeccfigffehhiggbegenenmchobeabj). Chrome Web Store data, last checked 2026-11-09. https://extensiontracker.com/extension/cjeccfigffehhiggbegenenmchobeabj. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_cjeccfigffehhiggbegenenmchobeabj,
  title   = {Modify Headers — HeaderSmith (MV3 ModHeader alternative) (cjeccfigffehhiggbegenenmchobeabj)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-09},
  url     = {https://extensiontracker.com/extension/cjeccfigffehhiggbegenenmchobeabj},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/cjeccfigffehhiggbegenenmchobeabj>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.