— TOOL
AI Wrong-Answer Book Generator
Snap a few worksheets. AI groups mistakes by topic, generates targeted practice, exports a printable PDF wrong-answer book. Free, no login, photos not stored.
FREENO LOGINPRINTABLE PDF
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Drop worksheet photos here (1-5)
or click to upload / snap on mobile
Pick images →
JPG · PNG · WebP · max 30MB each · up to 5 sheets
Want to track your kid's weak spots over time?
ChineseLearn — a family's personal AI study system
One-time analysis helps. Long-term data helps more. ChineseLearn tracks every error, runs SRS spaced review, and ships weekly parent reports. Built for my own kid. Open source.