Tab Dedupe extension screenshot

Tab Dedupe

Extension for Google Chrome

Same page open multiple times? One click removes extra copies. Tabs with filled forms stay protected in the orange group.

Extension JavaScript Chrome Manifest V3 Productivity

⬅️ Back

One button

Simple popup: counter + Remove duplicates. Settings live in config/.

Protects forms

Tabs with changed fields go to the orange group and are never closed by removal.

Visible duplicates

Same safe URL groups in red — you see what can be cleaned up.

No cloud

Everything local in Chrome. Badge shows how many duplicates are removable.

  1. Download the ZIP file above.
  2. Extract the contents to a folder (e.g. tab-dedupe).
  3. Open Chrome at chrome://extensions.
  4. Enable Developer mode (top right).
  5. Click Load unpacked and select the extracted folder.
  6. Open two tabs with the same URL to test automatic grouping.
  1. Click the 2x icon in the toolbar.
  2. See how many duplicates can be removed (forms are excluded).
  3. Click Remove duplicates.
  4. Tabs with changed fields appear in the orange Forms group.
  5. Fine-tune settings in config/ at the bottom of the popup.

Suggested companion: Tab Manager to export/import sessions.

Code at Sites/utilsbr/extensions/tab-dedupe/ in the local monorepo. Profile: PedroBortotti.