Photography & Video calculators
Depth of field, exposure, ND filters, crop factor, timelapse, timecode and video file size.
30 free tools
Most used
Crop Factor CalculatorConvert focal length, aperture and ISO between sensor sizesDepth of Field CalculatorNear and far focus limits, total DoF and hyperfocal distanceExposure Value CalculatorFind EV and swap aperture, shutter speed and ISO without changing exposureGolden Hour CalculatorGolden hour and blue hour times for any place and dateImage CompressorShrink JPG, PNG and WebP files with a quality slider — no uploadsImage Format ConverterConvert PNG, JPG and WebP images instantly — files never leave your deviceImage ResizerResize photos to exact pixels or a percentage — privately in your browserMegapixel CalculatorConvert pixel dimensions to megapixels — and megapixels back to pixelsPrint Size CalculatorHow big can you print? Pixels, PPI and inches or centimetresVideo File Size CalculatorVideo size from bitrate and length — or the bitrate to hit a target size
More photography & video tools
Astrophotography Shutter Speed CalculatorFind the longest exposure before stars trail, with the 500 and NPF rulesDrone Flight Time CalculatorEstimate minutes in the air from battery size and average power drawEXIF Metadata Viewer & RemoverSee camera, lens, exposure and GPS data in a photo — then strip itField of View CalculatorAngle of view and the width a lens covers at any distanceHyperfocal Distance CalculatorFocus once and get everything from near to infinity acceptably sharpImage CropperCrop photos freely or to exact aspect ratios, privately in your browserND Filter CalculatorTurn your metered shutter speed into the right long exposure with any NDPicture Mat and Frame CalculatorMat window, border widths, frame size and moulding length for any artworkSecurity Camera Storage CalculatorHow big a hard drive your NVR needs for the cameras and days you wantSensor Size ComparisonCompare two camera sensors by size, area, crop factor and light gatheringShutter Speed for Motion CalculatorFind the shutter speed that freezes a moving subject — no guessworkTimecode CalculatorAdd, subtract and convert SMPTE timecode, including drop-frameTimelapse CalculatorPlan interval, number of shots, clip length and card space for a timelapseDiffraction Limit CalculatorFind the aperture where diffraction starts to soften your sensorF-Stop CalculatorCount the stops between apertures, shutter speeds or ISO valuesFlash Guide Number CalculatorSolve flash distance, aperture or guide number for any ISO and powerImage File Size CalculatorMegapixels and uncompressed file size from resolution and bit depthMacro Magnification CalculatorMagnification from extension tubes and close-up filters, plus light lossMemory Card Capacity CalculatorHow many photos or minutes of video fit on your SD or CFexpress cardSlow Motion CalculatorSlow-motion factor, playback length and shutter speed from frame rates