GMClean

6.2easy start · #13 of 31
in Email Cleanup Software

Free to practise onnot on record
Free trialnot on record
Well documentedyes
Runs where you worknot on record

Runs on self-hosted, Web.

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GMClean is ranked #13 of 31 in email cleanup software on The Geeks Club. It runs on Self-hosted, Web.

Compared on email cleanup software

Unsubscribe tools: Yes
Supported email providers: Gmail, Outlook, and custom IMAP servers
Bulk action limit: 500 messages/action

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The record

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

Where it ranks on The Geeks Club

Best Email Cleanup Software in 2026#13 of 31

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Sources

github.com/h-khalid-h/GMClean· checked 4 Oct 2026
github.com/h-khalid-h· checked 4 Oct 2026