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caption.now

Free
Development Tools

caption.now helps you quickly and efficiently caption an image dataset for AI training. Machine-learning practitioners, researchers, and dataset curators can label images at speed, producing the text captions needed to train or fine-tune vision and image-generation models, with the emphasis on making a normally repetitive annotation workflow fast.

Catalogued January 1, 2026 · Curated by PWA Directory team
Online Only
Installable
Cross-Platform
Free
Tags
image-labelingdataset-annotationai-trainingmachine-learningcomputer-visioncaptioningpwa

How to install caption.now as a PWA

Chrome / Edge
Menu (⋮) → Add to Home screen
Safari (iOS)
Share (↑) → Add to Home Screen
Firefox
Menu (⋮) → Install

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