Tools
Glasses Atlas · Tools
Answers, not guesswork
Free, no-signup tools that answer the questions people actually ask before buying glasses — finding your face shape, choosing your lens type, decoding your prescription, visualising lens thickness, checking for astigmatism, previewing tints, sizing, matching colours, and measuring your PD. Built by Glasses Atlas, tested on real faces.
Frame Finder
Four questions. The frame shapes that fit your face — with links to shop them.
Open tool 02 · LiveFace Shape Calculator
Four measurements pinpoint your face shape and the frames that flatter it.
Open tool 03 · LiveWhich Lenses Do You Need?
Two questions to find your lens type — single vision, progressive, computer or reading.
Open tool 04 · LivePrescription Decoder
Type your Rx numbers and get a plain-English reading, plus the right lenses for it.
Open tool 05 · LiveLens Thickness Visualizer
See how thick your lenses will be, and how much thinner high-index makes them.
Open tool 06 · LiveAstigmatism Self-Check
The classic dial test to spot uneven focus — a prompt to book an eye exam.
Open tool 07 · LiveFrame Size Finder
Read the numbers on your temple arm and find your exact size in seconds.
Open tool 08 · LiveTint Simulator
Preview every lens colour and darkness category on a live scene before you buy.
Open tool 09 · LiveLens Color Guide
Pick your scenario — driving, beach, city — and get the right lens tint.
Open tool 10 · LiveReading Strength Finder
Estimate your reading glasses power from your age, then fine-tune for comfort.
Open tool 11 · LivePD Ruler
Measure your pupillary distance at home — the on-screen ruler scales to your card.
Open tool 12 · LiveFrame Colour Matcher
Match frame colours to your skin undertone and hair, then shop the shades that flatter.
Open tool 13 · LivePolarized Checker
A ten-second screen test that shows if your lenses are truly polarized.
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