Focus Timer — Free Online

Set a custom focus session timer for deep work

Free, fast, and runs entirely in your browser — no signup, no upload to a server.

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Sources we checked for Focus Timer

• NPL India — Indian Standard Time — Custodian of IST, the reference clock for India.
• Pomodoro Technique — Origin of the focus-timer method.
• ISO 8601 — date and time format — The international date/time notation we output.
• web.dev by Google — Practical guidance on performance and web quality.