Stop sending bad-centered cards to PSA.
Measure centering down to the millimeter before you spend $30+ on grading. Get instant PSA, BGS, CGC, and TAG estimates.
How it works
Three steps, ~30 seconds per card.
Upload
Snap a flat photo of the front and back. Phone camera is fine — any plain background works.
Align
Drag handles to the card edges and inner print frame. AI mode auto-snaps in one click.
Grade
See exact mm offsets and the predicted grade from PSA, BGS, CGC, and TAG.
Two modes, your choice
Bulk-check inventory cheap, or one-click magic for hero cards.
Manual
For volume- ✓Drag-to-align controls
- ✓Auto-snap starting position
- ✓No AI background removal
- ✓Instant — no API wait
Best for:Store owners, resellers, bulk pre-grading
AI
For convenience- ✓Auto-detects card edges
- ✓Removes background & straightens
- ✓One-click measurement
- ✓Manual fine-tune still available
Best for:Casual collectors checking individual hero cards
One avoided regrade pays for ~150 checks.
PSA grading is $25–$50 per card with weeks of wait and no refunds for bad grades. Catching a 65/35 card before you ship saves you a regrade fee — and your patience.
Create your accountFAQ
Which games does this work for?
Pokémon TCG, sports cards, One Piece, MTG, Yu-Gi-Oh!, and any standard 63×88mm trading card.
Does it replace professional grading?
No — this is a pre-check tool. Use it to decide which cards are worth sending to PSA/BGS/CGC/TAG.
How accurate is the measurement?
Within a millimeter when you align the handles carefully. The AI mode gets you to within ~1mm automatically.
Do my photos get stored?
Only if you click Save to add the card to your collection. Otherwise images are discarded after the analysis.