Base64 Encoder / Decoder — Convert Base64 Online
Last Updated: April 2026
Encode and decode Base64 strings instantly online. Free Base64 encoder and decoder tool. Convert text to Base64 or Base64 to text. No signup. Works in browser.
Use Base64 Encoder
Launch the Base64 Encoder tool — fully free, no signup required.
What Is Base64 Encoding?
How to Encode Text to Base64
How to Decode Base64 to Text
Common Uses for Base64 Encoding
Frequently Asked Questions
Q: What is Base64 encoding?
A: Base64 encoding converts binary data into a text format using 64 printable ASCII characters. It is used to transmit data in emails, embed images in HTML and CSS, and pass data through APIs.
Q: Is Base64 a form of encryption?
A: No. Base64 is not encryption. It simply converts data into a different format. Anyone can decode it without a key. Never use Base64 to secure sensitive information.
More Developer Tools
JSON Formatter
Format, validate and beautify JSON data instantly. Free online JSON formatter, no signup needed.
URL Encoder
Encode or decode URLs instantly online. Free URL encoder and decoder, no account needed.
JWT Decoder
Decode and inspect any JWT token instantly. Free online JWT decoder with header and payload display.
HTTP Headers Checker
Inspect HTTP response headers for any URL. Free online header checker for developers.
URL Parser
Parse and analyze any URL into its components instantly. Free online URL parser tool.
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text. Free online hash generator.