Free photo tools
Free browser tools for photographers: digital gray card, interactive Kelvin color temperature chart, before/after slider and a private HEIC to JPG converter.
Tool
Golden Hour Calculator
Today’s golden hour and blue hour for any location, with the sun’s path and the color of the light.
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Digital Gray Card
An 18% grey and pure-white screen for setting white balance, with step-by-step instructions.
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Kelvin Color Temperature Chart
Interactive 1,800–12,000K chart with a live photo preview, camera presets and a Kelvin-to-RGB converter.
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Histogram Viewer
See any photo’s histogram, luminance or RGB, with a plain-English reading of what the shape means.
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Photo Size Calculator
Pixels to inches, DPI, aspect ratio, print size, social media and iPhone photo sizes in one tool.
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Pixels to Inches Calculator
Convert pixels to inches and cm at any DPI, and inches back to pixels.
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Aspect Ratio Calculator
Find, simplify and resize aspect ratios; compare with 1:1, 4:5, 4:3, 16:9 and more.
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HEIC to PNG Converter
Convert iPhone HEIC photos to lossless PNG in your browser. Free, private, no upload.
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EXIF Data Viewer
See a photo’s camera settings, white balance mode and GPS location, then download a copy without metadata.
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LUT Generator
Build a .cube LUT from temperature, tint, brightness, contrast and saturation for CapCut, Premiere, Final Cut or Resolve.
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Camera Calculators
Depth of field, field of view, exposure, ND filter, time-lapse, crop factor, video file size and a shutter speed chart.
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Depth of Field Calculator
Near and far limits, total depth and hyperfocal distance for any sensor.
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Field of View Calculator
Angle of view and frame width for any lens and sensor.
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Exposure Calculator
Exposure value and every equivalent aperture, shutter and ISO combination.
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ND Filter Calculator
New shutter speed for any neutral density filter.
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Time-Lapse Calculator
Frames, clip length, storage and interval for a time-lapse.
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Crop Factor Calculator
Equivalent focal length and aperture for any sensor.
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Shutter Speed Chart
What each shutter speed is for, stop sequences and the handheld rule.
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Video File Size Calculator
File size from bitrate and duration for every iPhone recording format.
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Before & After Slider
Compare two photos with a draggable slider and download the comparison. Nothing is uploaded.
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HEIC to JPG Converter
Convert iPhone HEIC photos to JPG or PNG in your browser. Free, private, no upload.
Open →White Balancer for iPhone
Do this on your iPhone in one tap
White Balancer puts the color back into washed-out photos and videos with the White Balance Sampler: tap anything that should be neutral and the whole shot rebalances. Free, no login, no subscription, no AI, and nothing ever leaves your phone.
Free · No login · No AI · 100% on-device · No watermark · Never a subscription
