IMAGE RESEARCH / WORKBENCH
Unpaired

CONTROLLED INPUT. OBSERVABLE OUTPUT.

CAPTCHALab.

RESEARCH BOUNDARY

A local bench for text recognition, semantic grids, and slider geometry. Your images stay in memory. No third-party challenge tokens or live-site automation.

Pair this browser Session-only authorization

A pairing-link fragment is removed on arrival. The token is kept in this tab’s session storage, never in a request URL. Use a trusted HTTPS or loopback connection.

A

Input specimen

Read the characters in a single uploaded image.

Pair a session to inspect solver readiness.

PNG, JPEG, single-frame WebP. Maximum 5 MiB and 4 million pixels per image.

UPLOAD POLICY / In-memory decoding. No image archive. One inference at a time; busy jobs are rejected, not queued.

B

Inspection surface

TEXT

No specimen loaded

Upload an image or load a controlled sample.
AWAITING INPUTOriginal input / no processing yet
C

Inference record

NOT RUN
MODEL ANSWER—
METHOD
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ELAPSED
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CONFIDENCE
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