Base62 Encoder & Decoder | URL-Safe Alphanumeric Encoding
Encode and decode Base62 strings for URL-safe, compact data representation. Uses alphanumeric characters only (0-9, A-Z, a-z) for short URLs and identifiers.
How to Use This Tool
- 1
Enter text to encode or Base62 string to decode.
- 2
Select Encode or Decode mode.
- 3
See results instantly.
- 4
Copy output for use in URLs or identifiers.
- 5
Perfect for URL shorteners and compact IDs.
Use Cases & Examples
URL Shorteners
Encode numeric IDs into short, URL-safe strings like YouTube or Bitly.
Unique Identifiers
Generate compact, readable IDs for databases and APIs.
File Names
Create safe file names without special characters.
QR Codes
Encode data compactly for QR codes with alphanumeric mode.
How Base62 Encoding Works
Base62 uses 62 characters: 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz.
Input bytes are converted to a large number and represented in base-62.
No special characters (+, /, =) makes it URL-safe without encoding.
Commonly used for short URLs (e.g., bit.ly/abc123) and unique IDs.
More compact than hexadecimal and more readable than Base64.
Frequently Asked Questions
Q.What is Base62 encoding?
A. Base62 uses 62 characters (0-9, A-Z, a-z) to encode data. It's URL-safe, compact, and commonly used for URL shorteners and unique identifiers.
Q.Why use Base62 instead of Base64?
A. Base62 is URL-safe without special characters (+, /, =). It's ideal for short URLs, file names, and identifiers that don't need padding.
Q.Can I use this for URL shortening?
A. Yes! Base62 is perfect for encoding numeric IDs into short, URL-safe strings like YouTube video IDs or Bitly links.
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