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DBC1 Signatures

Chrome extension by DBC1 · Productivity · Communication

  • Established publisher

A Chrome extension in Productivity · Communication with 273 users, barely installed. Audience over the last 30 days: -88.

Specific sites only: 4 match patterns.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
273
Rating
5.0 (1 ratings)
Users, last 30 days
-88
Rating, last 30 days
Steady over 30 days
Version
1.2.1
Updated in the store
2026-11-03
Published
2025-04-27
Manifest
V3
Browser access
3 permissions, 4 site patterns

How it has moved

Users
-88 since 06.10
263-377 · 19 readings
2026-11-03: released 1.2.1
  1. 2026-10-08375
  2. 2026-10-09377
  3. 2026-10-10375
  4. 2026-10-13374
  5. 2026-10-16375
  6. 2026-10-17376
  7. 2026-10-18374
  8. 2026-10-20356
  9. 2026-10-21276
  10. 2026-10-22273
  11. 2026-10-23277
  12. 2026-10-24278
  13. 2026-10-25266
  14. 2026-10-28270
  15. 2026-10-29275
  16. 2026-10-30276
  17. 2026-11-01263
  18. 2026-11-04273
  19. 2026-11-05273
Rating
unchanged since 06.10
reviewsrating 5.00 · 19 readings
2026-11-03: released 1.2.1
  1. 2026-10-08reviews1rating5.00
  2. 2026-10-09reviews1rating5.00
  3. 2026-10-10reviews1rating5.00
  4. 2026-10-13reviews1rating5.00
  5. 2026-10-16reviews1rating5.00
  6. 2026-10-17reviews1rating5.00
  7. 2026-10-18reviews1rating5.00
  8. 2026-10-20reviews1rating5.00
  9. 2026-10-21reviews1rating5.00
  10. 2026-10-22reviews1rating5.00
  11. 2026-10-23reviews1rating5.00
  12. 2026-10-24reviews1rating5.00
  13. 2026-10-25reviews1rating5.00
  14. 2026-10-28reviews1rating5.00
  15. 2026-10-29reviews1rating5.00
  16. 2026-10-30reviews1rating5.00
  17. 2026-11-01reviews1rating5.00
  18. 2026-11-04reviews1rating5.00
  19. 2026-11-05reviews1rating5.00
Users
-75 since 01.09
263-377 · 32 readings
2026-11-03: released 1.2.1
  1. 2026-09-01348
  2. 2026-09-03352
  3. 2026-09-05357
  4. 2026-09-06358
  5. 2026-09-08360
  6. 2026-09-09375
  7. 2026-09-13365
  8. 2026-09-16366
  9. 2026-09-20364
  10. 2026-09-21369
  11. 2026-09-25364
  12. 2026-09-26359
  13. 2026-09-28361
  14. 2026-10-08375
  15. 2026-10-09377
  16. 2026-10-10375
  17. 2026-10-13374
  18. 2026-10-16375
  19. 2026-10-17376
  20. 2026-10-18374
  21. 2026-10-20356
  22. 2026-10-21276
  23. 2026-10-22273
  24. 2026-10-23277
  25. 2026-10-24278
  26. 2026-10-25266
  27. 2026-10-28270
  28. 2026-10-29275
  29. 2026-10-30276
  30. 2026-11-01263
  31. 2026-11-04273
  32. 2026-11-05273
Rating
unchanged since 01.09
reviewsrating 5.00 · 32 readings
2026-11-03: released 1.2.1
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-13reviews1rating5.00
  8. 2026-09-16reviews1rating5.00
  9. 2026-09-20reviews1rating5.00
  10. 2026-09-21reviews1rating5.00
  11. 2026-09-25reviews1rating5.00
  12. 2026-09-26reviews1rating5.00
  13. 2026-09-28reviews1rating5.00
  14. 2026-10-08reviews1rating5.00
  15. 2026-10-09reviews1rating5.00
  16. 2026-10-10reviews1rating5.00
  17. 2026-10-13reviews1rating5.00
  18. 2026-10-16reviews1rating5.00
  19. 2026-10-17reviews1rating5.00
  20. 2026-10-18reviews1rating5.00
  21. 2026-10-20reviews1rating5.00
  22. 2026-10-21reviews1rating5.00
  23. 2026-10-22reviews1rating5.00
  24. 2026-10-23reviews1rating5.00
  25. 2026-10-24reviews1rating5.00
  26. 2026-10-25reviews1rating5.00
  27. 2026-10-28reviews1rating5.00
  28. 2026-10-29reviews1rating5.00
  29. 2026-10-30reviews1rating5.00
  30. 2026-11-01reviews1rating5.00
  31. 2026-11-04reviews1rating5.00
  32. 2026-11-05reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 4 match patterns.

  • https://mail.google.com/*
  • https://gsignature01.lm.r.appspot.com/*
  • https://identitytoolkit.googleapis.com/*
Show the remaining 1
  • https://securetoken.googleapis.com/*
  • Sign you in with a Google account identity
  • Run its own code on the pages it can access scripting
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.2.1 · Asked for more permissions (7, was 6) (changed: site access, pages it runs its code on, browser permissions, sites that can connect to it)

What changed recently

  1. Package size changed
  2. Asked for more permissions (7, was 6) (changed: site access, pages it runs its code on, browser permissions, sites that can connect to it)
  3. Store description rewritten (47 → 118 characters)
Show the remaining 3
  1. Store badges changed
  2. Renamed from "gSignature | E-mail signatures" to "DBC1 Signatures"
  3. Released version 1.2.1 (was 1.1.20)

The publisher

DBC1. Listed website: dbc1.com.

Like this one

Listings the catalog judges closest in what they say they do.

  1. WiseStamp Email Signature Chrome Extension Describes nearly the same job, with a large installed audience 200k users ★ 2.7
  2. Signature Manager for Gmail™ - Multiple Email Signatures Describes nearly the same job, smaller audience 27 users
  3. SignaGenius Describes nearly the same job, smaller audience 4 users
  4. Email Signature Rescue - Browser Extension Describes nearly the same job, with an established audience 10k users ★ 4.1
  5. Mailtastic Describes nearly the same job, smaller audience 4k users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/hgemmbnchnegomnmpngehokoaendhpoe/badge.svg)](https://extops.dev/extensions/hgemmbnchnegomnmpngehokoaendhpoe)

HTML

<a href="https://extops.dev/extensions/hgemmbnchnegomnmpngehokoaendhpoe"><img src="https://extops.dev/extensions/hgemmbnchnegomnmpngehokoaendhpoe/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-04. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built