QR Studio | Undrstanding prepstore

Destination Link

Luxury Solid Presets

Gradient & Special

Pixel Shape

Color Setup

Pixel Color

Outer Eye Frames

Frame Shape

Frame Color

Inner Eye Pupils

Dot Shape

Dot Color

Preset Badges

* Disclaimer: All third-party logos and trademarks displayed in the preset options belong to their respective owners and are used here solely for preset design preview purposes.

Upload Custom Logo

Click to upload PNG or SVG (Max 1MB)

Logo Color Mode

Logo Size 0.25

Logo Margin 6px

Apply solid white backing behind brand mark

Transparent BG

Clear out backdrop for layout matching

Background Color

Canvas Padding

Error Correction

Export Resolution

Curious how this works?

Explore the anatomy, grid patterns, and recovery logic of QR codes.

Design Preview Live Vector

Camera Simulator Scan OK

https://undrstanding.com

Open

Outer Eye Frames

Inner Eye Pupils

Curious how this works?

Anatomy of a QR Code

1. Finder Patterns (Position Detection)

2. Alignment & Timing Patterns

3. Format Information

4. Data Modules (Binary Grid)

5. Quiet Zone (Margin)

Error Correction (Reed-Solomon)