How to Create a Free QR Code Online — URL, WiFi, vCard and More
Create free QR codes for URLs, WiFi, vCards, email and phone. Add your logo to the centre. Download PNG or SVG. No signup required.
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Articles and updates from the lab.
How to Merge PDF Files Online for Free — No Software Required
Combine multiple PDF files into one document online for free. No software to install, no signup required.
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How to Remove the Background from an Image for Free — AI-Powered
Remove the background from any image for free using AI. Get a transparent PNG in seconds with no signup required.
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How to Compress Images Online for Free — No Quality Loss
Complete guide to compressing JPG, PNG and WebP images online for free. Reduce file size without any visible quality loss.
Read →MindDice: multiplayer quiz game with dice for groups
A digital board game combining trivia, dice and phones as controllers. Discover MindDice, the live quiz for team building, training and group evenings.
Read →Wheel of Names: fortune wheel for draws and random decisions
Add names, press spin and let the wheel decide. Perfect for classroom draws, events, giveaways and group decisions. Free and no registration required.
Read →PDF Tools: free online tools to manage your PDFs
Merge, split, compress, rotate and protect your PDFs directly from the browser. No installation, no account — free and instant PDF tools.
Read →Arcade Games: retro classics directly in the browser
Snake, Tetris, Pac-Maze, Breakout, Invaders — five classic arcade games optimised for desktop and mobile, with chiptune audio and zero installations.
Read →VoxLab: real-time interactive presentations
Turn any presentation into a live experience: the audience answers from their phones, results appear instantly. Discover VoxLab, the open-source Mentimeter alternative.
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