Photography tools and calculators

Free tools for lenses, exposure and photo files. They run in the browser; photos never leave the device.

Lenses & cameras

Size comparison Compare lenses and camera bodies to scale, from the front and from the side.
Field of view simulator See what a focal length captures on full frame, APS-C or MFT.
Depth of field calculator Depth of field, hyperfocal distance and background blur for real lenses and cameras.

Photo files

Shutter count Read the shutter count from a photo file, right in the browser.