Upper row uses: do not crop individual boxes → zoom out top row region → detect white digits by brightness → isolate → digit-only OCR. Lower row keeps the current working OCR path.
Zoomed top row
White digit isolation
OCR input
Log Session
Track score, timing, hits, misses, timeouts, counts, notes, OCR text, and accuracy rate for each session.
0.0
0.0%
Session History (0)
Search by date, mode, source, notes, score, or accuracy rate.
Date
Mode
Score
Accuracy
Miss
Hits
Timeout
Fastest
Slowest
Average
Counts
Time
Source
Action
Score Formula
Customize how ReactionX score is calculated.
PDF Branding
Customize print-to-PDF header branding.
LOGO
☁️ Cloud Sync
Sign in once on each device to keep your sessions in sync. Data is private — only your account can see it.
Not signed in
You'll get an email with a magic link. Click it on this device to sign in. No password needed.
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Saves auto-sync to cloud. Pull manually if a different device added sessions while this one was offline.
Local JSON backup and restore. Google Drive remains a placeholder inside this single-file app.