Item logo image for Column Select — Rectangular / Block Selection

Column Select — Rectangular / Block Selection

4.5(

2 ratings

)
ExtensionFunctionality & UI60 users
Item media 1 (screenshot) for Column Select — Rectangular / Block Selection

Overview

Column mode / block selection for Gmail, Yahoo Mail & any webpage. Alt+Drag to select, then copy, cut, paste or replace.

Column Select brings column mode editing (also known as block selection, rectangular selection, box selection, or vertical selection) to your browser — the same feature you love in VS Code, Notepad++, Sublime Text, or Vim visual block mode, now available on any web page. Perfect for cleaning up email quotes (>marks), editing columns of data, bulk-inserting text at the start of every line, and find & replace within a selected column only. Works everywhere - Gmail compose window - Yahoo Mail - Any textarea (comment boxes, code editors, forms) - Any contenteditable area (rich text editors, web apps) Features Mouse selection Hold Alt and drag to draw a rectangle. A blue border and yellow highlight show the selected region. Keyboard selection Alt+Shift+Arrow (or Ctrl+Alt+Arrow) extends the rectangle from your cursor — no mouse needed. Copy / Cut / Paste / Delete - Ctrl+C — copy each selected row, joined by newline - Ctrl+X — cut - Ctrl+V — paste clipboard text into every selected row at once (multi-line paste) - Delete / Backspace — delete only - Ctrl+Z — full Undo support Column insert (multi-cursor typing) While a rectangle is selected, type any character and it is inserted into every selected row simultaneously. Works with IME (Japanese, Chinese, Korean) input too. Find & Replace (Ctrl+H) Replace text within the rectangle only, within a text selection, or across the entire field — the scope is highlighted so you always know what will change. Keyboard shortcuts Alt + Drag — Rectangle selection Alt+Shift+Arrows — Extend selection Ctrl+Alt+Arrows — Extend selection (alt) Ctrl+C / X / V — Copy / Cut / Multi-paste Delete / Backspace — Delete Ctrl+H — Find & Replace in selection Ctrl+Z — Undo Esc — Clear selection Privacy No data is collected or transmitted. Everything runs locally in your browser.

4.5 out of 52 ratings

Learn more about results and reviews.

Details

  • Version
    1.0.20
  • Updated
    September 9, 2026
  • Offered by
    254-Japan
  • Size
    82.31KiB
  • Languages
    2 languages
  • Developer
    Email
    inmk3500@yahoo.co.jp
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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