7P Online Tablet Tester

Overview

With the 7P Tablet Tester browser-based tool you can test out the basic features of your tablet. This is useful for troubleshooting.

Try out the tool now

Go here to launch the tool: 7P Tablet Tester. Then start drawing in the blue box.

Screenshot of the tool

Safety and privacy

This tool:

• Does not collect any data about you, your computer, etc.

• Does not uses no cookies.

• Does not track your behavior.

• Does not record what you draw.

Features

• Can draw with pen, mouse, and touch (if your tablet supports touch)

• Control the size by

  • Enable Use pressure to allow tilt to affect brush size

  • Enable Use tilt to allow pen tilt angle to affect brush size

• Information about pen is shown

  • Position

  • Pressure - as a percentage

  • Tilt

  • Current dynamic brush

• Multiple ways to erase the canvas:

  • Press Clear button

  • Press BACKSPACE key

  • Press DELETE key

• Press Save button to download canvas as PNG file

OS & Browser compatibility

Windows

• Pen API:

  • Needs Windows Ink to be enabled in the tablet driver.

  • If you tablet driver is using only WinTab, no pressure is supported.

• Chrome - WORKS

• Firefox - WORKS

MacOS

• Safari - yet to be tested

• Chrome - WORKS

Linux

• Chrome - WORKS

• Firefox

  • Wayland - WORKS

  • X11 -

    • use env MOZ_USE_XINPUT2=1 firefox to make it work

    • more info on what's going on with the X11 issue:

      • https://stackoverflow.com/questions/78073830/pen-pointer-events-in-linux-chrome-and-firefox-not-working-as-intended/78764151#78764151

      • https://bugzilla.mozilla.org/show_bug.cgi?id=1207700

iPadOS

• Safari - WORKS

Android

• Chrome - WORKS

Open source

The entire source code is on the github repo (https://github.com/TheSevenPens/HtmlTabletTester). I encourage you to look through it and fork and modify it for your needs.