01 Upload Your Photo
Drop your photo here, or click to browse
JPG · PNG · WEBP · up to 10 MB
02 Choose Your Style
Clean Outlines
Simple bold lines — classic coloring book feel
Detailed Line Art
Outlines + internal lines to guide shading
Bold & Simple
Thick lines, large shapes — approachable for all
Intricate Detail
Fine lines, maximum detail — for advanced colorists
✓ PNG image
✓ Print to PDF
Title printed at top of coloring page
01 Build Your Queue
Drop multiple photos, or click to select
Select many at once · JPG · PNG · WEBP
Queue — 0 images
Style per image ↓
Queue is empty — add images above
02 Batch Settings
✓ PNG image
✓ PDF 8.5 × 11"
Applied to all pages in batch
images processed simultaneously
⚙ AI Enhancement — Gemini
Status
● Disabled
When enabled, Gemini analyzes each image and adds tailored coloring tips after conversion. Your API key is stored in your browser only — it is never sent to this app's server.
Get a free key at aistudio.google.com/apikey · Free tier: 1,500 requests/day
API Key
Usage & Quota
No API key configured — enter a key above to see quota information.
Processing Mode
Pure in-browser Potrace algorithm — smooth Bezier curve line art, no internet connection required. Available on all deployments at no cost.
Requires a valid Gemini API key above. Uses ~1 request per image converted.
⚙ Version
Running Version
Checking…
⚙ App Configuration
App Name Override
Overrides the server-configured app name in your browser only
03 Preview & Download
✏️
Your coloring page will appear here
BEFORE / AFTER — drag to compare
⇔
⚙️
Configure AI settings on the left, then switch to Single or Batch mode to convert images.