Guides
How the tools work, and when they fail.
How AI image detectors work
C2PA, metadata probes, and a local ONNX classifier — what an in-browser AI image detector can and cannot claim.
How to remove text from an image
Paint a same-size mask, fill with LaMa or a precision erase, and do not confuse your own caption with someone else’s watermark.
How to upscale an image without losing quality
A practical guide to enlarging a photo you already have: when 2× is enough, when 4× needs Pro, and when Ultra HD credits are worth it.