Free: preview and first fill up to 7 days and 20 commits. Coffee: $5 USD one-time for one 365-day window. Time Machine: $12 USD one-time for every year since you joined. Autopilot: $3.99 USD per month or $29 USD per year for streak insurance with automatic commits on missed days.
Free for all tools. Pro: $29.99 per year or $4 per month, plus tax.
Key features
Live preview on your real graph with no sign-in required
Realism engine with six personas and seeded rerolls
Manual painting with brushes 1–4
Gap-only mode to respect existing contributions
Text and pixel art mode on Time Machine and Autopilot
One-click undo that deletes the generated repository
Private repository support on Time Machine and Autopilot
Contribution Doctor preflight checks
Autopilot streak insurance with configurable commit frequency
Multi-repo spread up to three repositories on Time Machine and Autopilot
Validate JSON with precise line and column errors
Repair invalid JSON fixing trailing commas, quotes, and comments
Preserve large integers without rounding
Detect and mask API keys, tokens and passwords
What makes it different
Real, inspectable commits with no hidden activity
Realistic patterns based on developer behavior modeling
Preview before payment on your real GitHub graph
Complete undo in one click with automatic account restoration
Timezone-aware commits with proper timestamp handling
Keeps large numbers exactly as written instead of silently rounding them like most online formatters
All free tools run entirely in your browser, working offline without uploading data
Automatically detects and warns about secrets like API keys and passwords
RetroFill
CurlyJSON