ジムレストタイマー
セット間の休憩をカウントダウン。終了時に音声アラートで通知。
100% client-side · no upload
1:00
How to use
- Enter your desired rest period in seconds or tap a preset (30 s, 60 s, etc.).
- Click Start after finishing a set — the countdown begins immediately.
- An audio beep plays when the rest period ends, signalling the next set.
Related sport tools
- One-Rep Max Calculator — estimate 1RM from reps and weight
- Workout Builder — build a full session with sets and reps
- Training Load Calculator — session RPE × duration score
- Sleep vs Recovery Score — readiness before training
よくある質問
- Is this gym rest timer free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. Everything runs in your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The timer is mobile-first and works on iPhone Safari and Android Chrome with the screen kept on.
Last updated: By jarvisbox