7 free tools
Photography & Video tools built for real work
Photography and video production calculators for exposure, lenses, frame rates, print sizing, timelapse planning and media storage. Every tool is designed to expose its inputs and outputs clearly instead of hiding the logic behind a vague score.
◉Depth of Field CalculatorEstimate photographic depth of field, hyperfocal distance and near/far focus limits from focal length, aperture, distance and circle of confusion.→◉Exposure Stop CalculatorCompare shutter speed, aperture and ISO changes in photographic stops and calculate the net exposure difference between two settings.→◉Frame Rate Duration ConverterConvert video duration between source and playback frame rates, including total frames, conformed duration and speed percentage.→◉Lens Field-of-View CalculatorCalculate horizontal, vertical and diagonal lens field of view from sensor size and focal length, with scene coverage at a chosen distance.→◉Print Resolution CalculatorCalculate photographic print size from image pixels and target PPI, or check effective PPI for a desired print width.→◉Timelapse Storage CalculatorEstimate timelapse frame count, photo storage requirement, final clip duration and time-compression ratio from interval settings.→◉Video Bitrate File Size CalculatorEstimate video file size from video bitrate, audio bitrate and duration, with decimal GB, binary GiB and storage-per-minute outputs.→
Why ToolboxKart Photography & Video tools?
Fast interfaces, plain-language explanations, mobile-friendly layouts and no unnecessary account wall for the utilities in this release.
Tool first
The working interface appears before long-form SEO content, so you can finish the task quickly.
Transparent logic
Calculators disclose formulas or assumptions where they matter, and analyzers avoid pretending subjective checks are scientific facts.
Reusable results
Copyable output and clean formatting are included where they improve the workflow.