Free online string and text tools for encoding, decoding, hashing, formatting and converting text in your browser
Fill your GitHub contribution graph with real, backdated commits
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
CA
Pricing model
Free
Freemium
Pricing
Not given
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.
Key features
Base64 encoding and decoding
URL encoding and decoding
JSON formatting, validation and minifying
JWT decoding with readable timestamps
SHA-256 and other cryptographic hashing
UUID generation with multiple versions
Text diffing with multiple formats
Chainable pipelines with live preview
CSV to JSON and JSON to YAML conversion
Regular expression explanation in plain English
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
What makes it different
All processing happens in your browser with no data uploaded to servers
Chain multiple tools into pipelines with live preview of each step
Available across VS Code, CLI, MCP and as a Node.js library
No cookies or tracking scripts, privacy-focused
248 utilities organized by category with guides and worked examples
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
String Utility Belt
RetroFill