Base62 Encoder / Decoder
Convert text to compact Base62 format and back β perfect for URLs and short links
Base62 encoding uses alphanumeric characters (0-9, a-z, A-Z) to create shorter, URL-safe strings β perfect for link shortening and compact IDs.
Creates shorter URLs than Base64, removes special characters that break URLs, and is case-sensitive for maximum efficiency.
How to Use Base62 Encoder & Decoder
Master URL shortening, data compression, and compact encoding in minutes
β‘ Convert Text to Base62 in 3 Simple Steps
Enter Your Text
Type or paste any text, URL, or data into the input field. The Base62 encoder works with any UTF-8 characters including emojis, spaces, and special symbols.
Choose Mode
Select Encode to convert text to Base62 format, or Decode to convert Base62 back to readable text. Toggle between modes anytime.
Copy & Use
Click the Encode Now button to generate your result, then use the Copy button to save it to your clipboard. Perfect for URL shortening, API keys, and database IDs.
Base62 encoding is a powerful technique that converts text into alphanumeric strings using characters 0-9, a-z, and A-Z. Unlike Base64 which includes problematic characters like +, /, and =, Base62 creates URL-safe, compact strings perfect for modern web applications.
Key benefits of Base62 encoding: shorter URLs than Base64, no special characters that break links, case-sensitive for maximum entropy, and widely used in link shorteners like Bitly and YouTube video IDs. Whether you're building an API, shortening links, or creating unique identifiers, Base62 delivers optimal compression without data loss.
Our free Base62 encoder tool works entirely in your browser β no data is sent to any server, ensuring your sensitive information stays private and secure.
β Everything You Need to Know About Base62
Base62 encoding converts binary data or text into a string using 62 alphanumeric characters (0-9, a-z, A-Z). It's commonly used for:
- URL shortening β services like Bitly and TinyURL use Base62 to create compact links
- Unique identifiers β YouTube video IDs and database keys
- API tokens β generating secure, URL-safe authentication keys
- Data compression β representing large numbers in fewer characters
Unlike Base64, Base62 produces URL-safe output without special characters like +, /, or = that can break links.
Absolutely! Our Base62 encoder/decoder works entirely in your browser using JavaScript. This means:
- β No data is sent to any server
- β Your text never leaves your device
- β No API keys or signup required
- β Perfect for sensitive data like passwords or API tokens
You can disconnect from the internet and the tool will still work β it's 100% client-side and completely private.
Both are encoding schemes, but Base62 has key advantages:
| Feature | Base62 | Base64 |
|---|---|---|
| Characters used | 0-9, a-z, A-Z (62) | A-Z, a-z, 0-9, +, /, = (64) |
| URL-safe | β Yes | β No (needs encoding) |
| Special characters | None | +, /, = |
| Best for | URLs, short links, IDs | Email attachments, binary data |
Choose Base62 for web URLs and identifiers, and Base64 for email or data transmission where special characters are acceptable.
Yes β Base62 is reversible! Our tool includes both encoder and decoder functions:
- Encode mode: Text β Base62 (compact alphanumeric string)
- Decode mode: Base62 β Original text (exact reversal)
Simply paste your Base62 string, switch to Decode mode, and click the button. The original text will be restored perfectly. This makes Base62 perfect for creating short, shareable codes that can be decoded back later.
Yes, it supports all UTF-8 characters! Our Base62 encoder handles:
- π Emojis and special symbols
- δΈζ Chinese, Japanese, and Korean characters
- ÑéΓΓ³ΓΊ Accented letters and diacritics
- All Unicode text from any language
The tool uses modern JavaScript's TextEncoder and TextDecoder APIs to properly handle any UTF-8 character, converting them to Base62 and back without data loss.