LetterLab

Base64 Encode

Encode text to Base64 for data embedding or transport.

Example: Hello → SGVsbG8=

⬇
0 chars
0 words
0 output chars
💡 Use this tool to transform your text efficiently.

Developer Tools Comparison

ModeExample InputExample Output
JSON Formatter{"name":"Alice","age":25}{ "name": "Alice", "age": 25 }
Minify JSON{ "name": "Alice", "age": 25 }{"name":"Alice","age":25}
XML Formatter<note><to>Tove</to><from>Jani</from></note><note> <to>Tove</to> <from>Jani</from> </note>
HTML Formatter<div><p>Hello</p></div><div> <p>Hello</p> </div>
SQL FormatterSELECT * FROM users WHERE id=1SELECT * FROM users WHERE id = 1;
Base64 EncodeHelloSGVsbG8=
Base64 DecodeSGVsbG8=Hello
URL EncodeHello World!Hello%20World%21
URL DecodeHello%20World%21Hello World!
HTML Entities Encode<div>Hello</div>&lt;div&gt;Hello&lt;/div&gt;
HTML Entities Decode&lt;div&gt;Hello&lt;/div&gt;<div>Hello</div>
CSV → JSONname,age John,30[{"name":"John","age":"30"}]
JSON → CSV[{"name":"John","age":"30"}]name,age John,30
Unicode → ASCII✓\u2713
ASCII → Unicode\u2713✓
Slug GeneratorHello World!hello-world