🧩 Encode & decode • ⚡ Fast UI • 🔒 Runs locally in your browser
Base64 Encoder & Decoder
Encode plain text to Base64 or decode Base64 back to readable text instantly. Great for development, APIs, tokens, testing, and quick browser-side conversions.
Mode
Ready
Shows the most recent action performed.
Input length
0
Character count of your input.
Output length
0
Character count of the generated output.
Format
Standard
Switch between standard and URL-safe Base64.
Base64 Result
Encode and decode instantly. All processing happens in your browser.
Ready
Live result
Updates when you encode or decode
Enter text and choose Encode or Decode.
Mode: Waiting for input
Standard Base64
Standard Base64 uses the normal character set and may include +, /, and padding =.
URL-safe Base64
URL-safe Base64 replaces + with - and / with _, which is useful in URLs and tokens.
FAQ
What is Base64 encoding?
Base64 encoding converts binary or text data into an ASCII string format using a limited character set.
Can I decode Base64 with this tool?
Yes. This tool supports both Base64 encoding and Base64 decoding.
What is URL-safe Base64?
URL-safe Base64 is a variation that replaces characters that are less convenient in URLs, such as + and /.
Does this tool send my data to a server?
No. This Base64 tool runs locally in your browser.