Base62 Converter
Convert numbers between decimal and Base62 — the URL-shortener alphabet (0-9, A-Z, a-z).
Runs locally in your browser. Your input is not uploaded.
How to Use
- 1
Enter numbers or Base62 strings
One per line.
- 2
Choose the direction
Decimal → Base62 for creating slugs, reverse for decoding them.
- 3
Copy the results
Use the compact IDs in URLs and references.
Frequently Asked Questions
- A numeral system using 0-9, A-Z, and a-z — 62 URL-safe symbols with no padding or special characters. It is the classic URL-shortener encoding.
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