MPen icon

MPen

by uchicrew · uchicrew.com · Tools
FeaturedEstablished publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

For example. To mark important sentence. To Write operations during Screencast. MPen is simple graffiti tool.

Users
30K
0 in 30 days
Rating
4.3 / 5
unchanged in 30 days
Ratings
45
0 in 30 days
Store rank
#4,821
#4,177 among extensions
Version
0.3.1
updated 26 Aug 2024

Users

monthly, 3 years
3,00016K30KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 30,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
102845Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 45 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About MPen

Translucent color You can use it like a highlighter with a translucent color compatible pen. Undo/Redo MPen keeps track of 8 undo levels. Usability like a desktop application. Multi-language UI supports English and Japanese. For Windows 8.1/10 users: There is a problem that you can not click on the touchpad while pressing the letter key. Improved by setting "touchpad sensitivity" of touchpad to "maximum sensitivity" in your Windows settings. For details, please refer to Microsoft Support. (https://support.microsoft.com/en-us/help/2907018/button-clicks-for-internal-touchpads-and-pointing-sticks-are-not-respo) # Keyboard Shortcuts [`] fold/unfold panel [1] pen [2] line [3] rect [4] ellipse [5] text [6] eraser [7] hand [8] pointer [-] clear [=] toggle option panel [Backspace] minimize/restore toolbar [q] pen (pressing) [w] line (pressing) [e] rect (pressing) [r] ellipse (pressing) [t] text (pressing) [y] eraser (pressing) [u] hand (pressing) [i] pointer (pressing) [Ctrl]+[z] undo [Ctrl]+[y] redo [Ctrl]+[Backspace] exit [Esc] abort [`] fold [Alt] show/hide shortcut key [Ctrl]+[Alt]+[d] on/off debug logging # Release Note Version 0.3.1 - Updated the link to the homepage. Version 0.3.0 - Migrate to Manifest V3 - Improved rendering quality on HiDPI displays - Improved memory efficiency - Error messages are now displayed in notifications ("Notifications" Permission) Version 0.2.2, 0.2.3 - Release canceled Version 0.2.1 - Remove unused permission. Version 0.2.0 - Added Rect tool. - Added Ellipse tool. - You can draw vertical/horizontal lines by holding down the Shift key and dragging with Line tool. - Changed keyboard shortcuts - Bug Fixes & Other Misc. Changes Version 0.1.7 - Added Quick Tool feature. You can temporarily use the tool while pressing [QWERTY] key. Version 0.1.6 - Bug fixes. Version 0.1.5 - Added Text tool. - Option panel can now move to left/right. - You can now open a blank/ruled-line/grid page from the icon menu. Version 0.1.4 - Added Undo/Redo functions. - Added Abort command to Eraser. Version 0.1.3 - Fixed touchscreen issue. Version 0.1.2 - Added Line tool. - Added Abort command to Pen and Line. ([ESC] key) Version 0.1.1 - Add Contextual mouse pointer. Version 0.1.0 - Initial release.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%+1−0.08
1 year0+0.0%+2−0.09

Version history

7 versions recorded
0.3.126 Aug 2024
0.3.030 May 2024
0.2.326 May 2024
0.2.222 May 2024
0.2.116 Jun 2021
0.2.025 Jul 2020
0.1.727 Mar 2018

Details

Category
Tools
First seen
27 Mar 2018
Size
61 KB
Languages
en, ja
Pricing
Free
Privacy policy
uchicrew.com
Extension ID
cghmnieebgefhenggkhbdbhgcjlegkkc

Permissions and risk

Minimal riskimpact 1, likelihood 0
Permissions
activeTabstoragecontextMenusscriptingnotifications

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