technology · Free
Best Products Built with HTML5 (Free) in 2026
5 free html5 products, ranked by community upvotes.
Controller Tester Online
Browser-based gamepad diagnostics with drift, deadzone, vibration tests and exportable reports.
3
PdfCompare
Compare PDFs locally in-browser with 100% client-side privacy
2
Private Toolkit
Convert images, video and text in-browser — nothing is uploaded.
0
inputprobe DPI Test
Measure your mouse's real DPI/CPI in-browser using a physical reference.
0
Kelec Bill Online
Free HTML5 browser games — play instantly, no download or sign-up.
0