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Free Breathing & Apnea Tools
Train smarter with free online tools for breath hold and apnea training. Generate personalized training tables and track your progress.
CO2 Table Generator
Generate a personalized CO2 tolerance training table based on your max breath hold. Build carbon dioxide tolerance with progressively shorter rest periods.
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O2 Table Generator
Create an oxygen deprivation training table that gradually increases hold times. Push your breath hold limits safely with consistent rest intervals.
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Breath Hold Timer
Test and track your maximum breath hold time with a guided preparation phase. Save results to monitor your progress over time.
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