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Martin Šikulaleft a comment
I built PorovnejText because I kept copying texts into random diff tools that were either bloated or required sign-up. I just wanted something dead simple — paste two texts, see the diff. That's it. No accounts, no cloud processing. Everything stays in your browser.
PorovnejText.czCompare two texts side by side and spot every difference
Martin Šikulaleft a comment
I built OnlineTimer.cz because I was tired of bloated timer apps full of ads. All I wanted was a clean, fast timer that works instantly in the browser. No downloads, no sign-ups — just click and go. It includes a countdown timer with alarm, stopwatch with millisecond precision, Pomodoro timer for focused work sessions, a cooking timer, and a HIIT interval timer. Everything runs client-side so...
OnlineTimer.czFree online timer, stopwatch & Pomodoro in your browser
Start a timer or stopwatch with one click. Precise timing down to milliseconds, countdown with alarm, Pomodoro technique, cooking timer, and HIIT interval timer. Works right in your browser — free, no registration required.
OnlineTimer.czFree online timer, stopwatch & Pomodoro in your browser
Paste two texts and instantly see what changed. PorovnejText highlights additions, deletions, and modifications with color coding. Perfect for comparing document versions, code diffs, or proofreading edits. Works entirely in your browser — no data leaves your device.
PorovnejText.czCompare two texts side by side and spot every difference