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Tech riderRev. 20 Sept 2026

GMClean

Ch 126.4of 31 Email Cleanup Software
  1. 1Runs onself-hosted, Web
  2. 2CostsNot stated by the maker
  3. 3Unsubscribe toolsYes
  4. 4Supported email providersGmail, Outlook, and custom IMAP servers
  5. 5Bulk action limit500 messages/action
4 lines stated Written from the maker's own pages: github.com
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The GMClean homepage

Overview

GMClean is ranked #12 of 31 in email cleanup software on Specifiction. It runs on Self-hosted, Web.

Compared on email cleanup software

Unsubscribe tools
Yesgithub.com
Supported email providers
Gmail, Outlook, and custom IMAP serversgithub.com
Bulk action limit
500 messages/actiongithub.com

Facts

Product
GMClean is a self-hosted tool for scanning inboxes, classifying email, unsubscribing in bulk, deleting messages, and exporting data.github.com · 4 Oct 2026
Header-only scanning
GMClean says it fetches email headers such as subject, sender, and List-Unsubscribe, and does not download email bodies.github.com · 4 Oct 2026
Mailboxes
It supports up to 10 Gmail, Outlook, or custom IMAP mailboxes at once.github.com · 4 Oct 2026
Inbox analysis
It provides a 0–100 inbox health score based on five weighted factors, plus sender insights and email age distribution.github.com · 4 Oct 2026
Folder scanning
It can scan INBOX, Spam, Promotions, Trash, and other IMAP folders.github.com · 4 Oct 2026
Unsubscribe and delete
It supports one-click RFC 8058 unsubscribe and bulk unsubscribe, while bulk email deletion is batched at 500 messages per batch.github.com · 4 Oct 2026
Exports
It can export selected subscriptions with resubscribe links and all scanned emails to CSV.github.com · 4 Oct 2026
Classification
Email classification uses heuristic rules and can optionally use Gemini for ambiguous cases.github.com · 4 Oct 2026
Email providers and authentication
The README lists Gmail, Outlook, and custom IMAP support, with app passwords or OAuth2 for Google and Microsoft.github.com · 4 Oct 2026
Local storage
GMClean says data is stored in browser IndexedDB and that it has no cloud database, telemetry, tracking cookies, or analytics scripts.github.com · 4 Oct 2026
Credential security
The README says credentials are encrypted with AES-256-CBC before storage and requires an ENCRYPTION_SECRET described as an AES-256 key.github.com · 4 Oct 2026
Deployment
The project documents running GMClean with npm, Docker, or Docker Compose.github.com · 4 Oct 2026
License and support
The repository is MIT-licensed and invites contributions through GitHub pull requests.github.com · 4 Oct 2026
Maker location
The GitHub profile for Hussein Khalid lists Estonia.github.com · 4 Oct 2026

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Sources