Free · Browser-Based · Instant Results
Base64 Encoder & Decoder
Encode plain text to Base64, decode Base64 back to text, switch to URL-safe mode, and normalize copied payloads without uploading anything.
🎯 Common Use Cases
Normalize copied payloads from logs or APIs
Decode tokens or test strings locally
Switch between standard and URL-safe Base64
Remove line breaks before decoding
❓ Frequently Asked Questions
What does this tool support?
Standard Base64, URL-safe Base64, whitespace stripping, and copy/swap actions.
Does it upload my content?
No. Encoding and decoding stay in your browser.
When is URL-safe mode useful?
When working with JWT segments, signed URLs, and other Base64URL payloads.