Photography Tools

Interactive calculators for exposure, cinema workflow, pricing, print planning, and metadata privacy.

Diffraction Limit Calculator

Estimate airy disk size and the aperture range where diffraction softness starts overtaking sensor resolution.

Calculate exposure compensation in stops for macro bellows or extension tubes from focal and extension lengths.

Convert between f-stop and t-stop using transmission percentage for cinema and video lens matching.

Split creative fees and production expenses, then compute GST and invoice totals for Indian photography projects.

Track annual book value of cameras and lenses using straight-line or reducing balance depreciation rates.

Compare freelancer profitability between day-rate and per-deliverable pricing with post-processing hours included.

Inspect common EXIF fields like camera, lens, ISO, and GPS, then export a metadata-stripped image for safer sharing.

Calculate required pixel dimensions and megapixels from print size and viewing distance for posters and billboards.

Compute top, bottom, and side safe areas for vertical videos so captions and subjects are not hidden by app UI.

Estimate frame count, output clip duration, and storage needed from capture interval, shoot time, and file size.

Keep the same aspect ratio when resizing: enter source width and height plus a new width, get the matching height in pixels.

Estimate horizontal field of view in degrees from focal length (mm) and sensor width, with Full Frame, APS-C, and Micro 4/3 presets.