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Chrome extensionPrivacy-first inbox tool

Gmail InboxHero

Finds the newsletters you no longer read, scores each sender, and gives you a one-click way to unsubscribe, all inside your browser.

Gmail InboxHero showing newsletter senders ranked by unsubscribe score with an inbox health gauge
0
servers involved, all analysis runs in your browser
Headers only
no email body is ever read
1 click
from recommendation to unsubscribe
/ the problem

What was going wrong

Most busy inboxes are full of newsletters subscribed to years ago and never cleaned up. Unsubscribing means opening each email, hunting for a tiny link and repeating it for every sender.

The tools that do this for you usually want access to your mail on their servers, which is a hard sell for anyone who cares about privacy.

/ the build

What I built

We built a Chrome extension that connects to Gmail and analyses six months of message headers. It detects newsletters, groups them by sender and scores each one from 0 to 100 on how strongly you should unsubscribe, based on read rate, time since you last opened one, volume and age.

It never fetches email bodies, and all processing happens in your browser with no server in the middle. A popup shows an inbox health score and the top senders to drop, and a full dashboard adds search, sorting, charts and bulk selection.

Unsubscribe uses the sender's own unsubscribe link, opened for you to confirm, so nothing is sent silently.

/ how it works

Step by step

  1. 01

    Connect Gmail

    Sign in with Google. Read-only access to message headers is enough.

  2. 02

    Headers are analysed

    Newsletters are detected and grouped by sender, locally in your browser.

  3. 03

    Senders are scored

    Each sender gets a score from read rate, recency, volume and age.

  4. 04

    Review recommendations

    See the senders most worth dropping, with a plain-language reason.

  5. 05

    Unsubscribe in one click

    Open the sender's unsubscribe link and confirm.

/ key features

What it does

  • Newsletter detection from standard email headers
  • Per-sender read rate and unsubscribe score
  • Inbox health score and quick-view popup
  • Full dashboard with search, charts and bulk select
  • One-click unsubscribe through the sender's own link
  • No email bodies read and no data sent to any server
/ under the hood

Built with

Chrome extensionManifest V3ReactGmail APIOAuth 2.0
/ more work

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Instantly Account Organiser

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Want something like this for your agency?

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