LaiUse is a collection of 178 free browser-based productivity tools across 12 categories — Developer, Network, SEO, Utility, Media, AI, PDF, QR & Links, Privacy, Security, Singapore, and Math Tools. No signup, no downloads, no credit card required.
Build useful tools that anyone can use instantly, with full respect for user privacy. Every tool runs entirely in your browser — your data, files, and inputs never leave your device.
LaiUse is a collection of 178 free browser-based productivity tools across 12 categories — Developer, Network, SEO, Utility, Media, AI, PDF, QR & Links, Privacy, Security, Singapore, and Math Tools. No signup, no downloads, no credit card required.
Build useful tools that anyone can use instantly, with full respect for user privacy. Every tool runs entirely in your browser — your data, files, and inputs never leave your device.