Toolipedia- Free
- No sign-up
- Works on any device
No tool matches your search.
- Free
- No sign-up
- Works on any device
Create a QR code for a link, Wi-Fi, WhatsApp, contact and more, or read one from a photo.
- Free
- No sign-up
- Works on any device
Fill in the details to see your QR code.
PNG for phones, chats and websites. SVG and PDF stay sharp at any size, which is best for printing. Tip: point your phone camera at the preview to test it.
3. Style (optional): colors, dots, logo
Choose a photo or screenshot or drag it here
Works with photos of printed codes, screenshots and image files.
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Dead pixel test
Fill the screen with solid colours to find stuck or dead pixels.
- Free
- No sign-up
- Works on any device
About Dead pixel test
Fill the whole screen with solid red, green, blue, white and black to reveal pixels that are stuck or dead. A dead pixel stays black on all colours, while a stuck pixel shows one bright colour. Use fullscreen, clean the display first, and view in a dim room.
How to use Dead pixel test
- Start the test above.
- Follow the instructions on the screen.
- See your result straight away, and try again to beat it.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
Can a stuck pixel be fixed?
Sometimes. Gently massaging the spot or running a flashing colour cycle for a while can free a stuck pixel. A truly dead pixel usually cannot be repaired.
Is Dead pixel test free?
Yes. Dead pixel test on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.