The industry standard for URL shorteners and compact database keys. Base62 uses 0-9, a-z, and A-Z to create the shortest possible alphanumeric strings without using special characters. Unlike Base64, it is naturally URL-safe and requires no special character substitution, making it perfect for clean paths and mobile-friendly links.
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Base62 Encoder / Decoder
Encode data to Base62 (0-9, a-z, A-Z). The industry standard for compact, URL-safe identifiers and short links. Fast, free, and 100% private browser tool.
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About Base62 Encoder / Decoder
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1
Input Content
Enter your IDs or large numbers into the tool.
2
Alphanumeric Encoding
The tool uses 0-9, a-z, and A-Z for a compact result.
3
Check URL Safety
Review the result for use in paths or short links.
4
Copy String
Copy the Base62 string for your database or URL shortener.
Key Features
URL-Native Encoding
Purely alphanumeric results that don't need additional Percent-encoding.
High Information Density
Stores significantly more data per character than hex or decimal.
Developer Essential
Generate short, unique IDs for your SaaS or web application.
Frequently Asked Questions
Yes, because it only uses alphanumeric characters, it doesn't need additional Percent-encoding for URLs.
It provides a very high information density while remaining purely alphanumeric, unlike Base64.
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