---
title: "Change Subject Line for Gmail – Chrome extension stats, history and permissions"
description: "230 users, rated 5.00 by 2 people. Version 1.8.2, updated 2026-09-24. Requests 5 permissions."
url: "https://extensiontracker.com/extension/pmjlipnncdepghljlhhlhlmeajinmmio"
---

# Change Subject Line for Gmail

Live in the Chrome Web Store.

- Users: 230
- Rating: 5.00 from 2 ratings
- Last checked: 2026-09-27 07:42 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #47,269 of 264,703 live extensions
- Rank in Communication: #778 of 6,873

## The listing

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

Summary from the listing:

> Change subject lines in Gmail interface, and switch to your custom subjects when you reply and forward.

- Extension ID: `pmjlipnncdepghljlhhlhlmeajinmmio`
- Developer: [Emmett Sun](https://extensiontracker.com/developer/ud402a91629e7a0d76a3bf3f54f42937d)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Communication](https://extensiontracker.com/category/productivity/communication)
- First published: 2026-03-30
- Last updated: 2026-09-24
- Version: `1.8.2`
- Size: 504 KiB
- Minimum Chrome: 88
- Languages (25): Deutsch, English, Nederlands, dansk, eesti, español, français, hrvatski, italiano, latviešu, lietuvių, magyar, norsk, polski, português (Brasil), português (Portugal), slovenčina, slovenščina, suomi, svenska, čeština, Ελληνικά, 中文（台灣）, 日本語, 한국어
- Privacy policy: `https://siliconverve.com/product/change-subject-line-for-gmail/privacy-policy.html`
- Chrome Web Store: <https://chromewebstore.google.com/detail/change-subject-line-for-g/pmjlipnncdepghljlhhlhlmeajinmmio>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fpmjlipnncdepghljlhhlhlmeajinmmio>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 230 | 5.00 | 2 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://change-subject-line-for-gmail.siliconverve.com/*`: change-subject-line-for-gmail.siliconverve.com
- `https://mail.google.com/*`: mail.google.com

### Sites where it runs scripts

- `https://mail.google.com/*`: mail.google.com
- `https://siliconverve.com/*`: siliconverve.com

### Browser features

- `alarms`: Run tasks on a schedule
- `scripting`: Run scripts on 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 |
| --- | ---: | ---: | ---: | --- |
| [Docs to PDF (Bulk Convert for Google Drive)](https://extensiontracker.com/extension/cfhnmhnnipeiianlfofnffdlboemledl) | 229 | 5.00 | 2 | Workflow & Planning |
| [Bulk Reply for Gmail](https://extensiontracker.com/extension/fmpflhdjhfnhhkjlbfkpkhgnnojncndo) | 95 | – | – | Communication |
| [Bulk Print Emails for Gmail](https://extensiontracker.com/extension/ffhpkcgndkflkbionfmkmbkamjbiobjn) | 42 | – | – | Workflow & Planning |

All 4 extensions by [Emmett Sun](https://extensiontracker.com/developer/ud402a91629e7a0d76a3bf3f54f42937d).

## 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 2026-09-27 07:42 UTC; next check around 2026-10-18.

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

## Cite this page

Extension Tracker. “Change Subject Line for Gmail” (pmjlipnncdepghljlhhlhlmeajinmmio). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/pmjlipnncdepghljlhhlhlmeajinmmio. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_pmjlipnncdepghljlhhlhlmeajinmmio,
  title   = {Change Subject Line for Gmail (pmjlipnncdepghljlhhlhlmeajinmmio)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/pmjlipnncdepghljlhhlhlmeajinmmio},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/pmjlipnncdepghljlhhlhlmeajinmmio>. 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. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.