Photography Timers

Precision Timing for Film & Darkroom

Film development timers, reciprocity calculators, and darkroom tools. Free, browser-based, safelight-safe.

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Your Darkroom Toolkit

6 tools available

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Film Development Timer

Multi-step sequential timer for B&W, C-41, and E-6 processes

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Long Exposure Calculator

Reciprocity failure correction for film photography

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Stand Development Timer

Long-form ambient timer for stand and semi-stand development

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Enlarger Timer

F-stop timing and test strip mode for darkroom printing

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Cyanotype Timer

UV exposure timer for alternative processes

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Photo Walk Timer

Timed photo challenges and sprint sessions

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