Encode text to Base64 or decode Base64 strings instantly. Swap between modes with one click.
What is Base64 Encoder/Decoder?
Encode any text to Base64 or decode Base64 back to plain text in real-time. Supports UTF-8 characters. Swap input and output with one click to switch between encode and decode modes.
How to Use
Choose Encode or Decode mode
Enter your text or Base64 string
See the result instantly
Click Swap to reverse input/output
Frequently Asked Questions
What is Base64?
Base64 is an encoding scheme that represents binary data as ASCII text, commonly used in emails, URLs, and data URIs.
Related Tools
🔑 Hash Generator — Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text instantly using Web Crypto API.
{} JSON Formatter — Format, validate, and beautify JSON data instantly. Free online JSON formatter with syntax highlighting and er
.* Regex Tester — Test regular expressions with live match highlighting, group capture display, and flag toggles.
#️⃣ UUID Generator — Generate random UUIDs (v4) instantly. Choose format, generate in bulk, and copy with one click.
🌐 IP Subnet Calculator — Calculate subnets visually with a CIDR slider, binary bit visualization, and full network details. Copy any re
🔢 Binary Calculator & Converter — Binary math calculator — convert between decimal, binary, hex, and octal. Toggle bits visually and perform bit