Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 to text — instantly, in your browser
Runs entirely in your browser. Nothing is uploaded — your input never leaves this device.
Use via API
API · SAME JOB, YOUR MACHINE
# This tool runs in your browser — no upload needed.
# Prefer it programmatically? There's a direct JSON API:
curl -X POST https://api.open-tools.app/api/base64 \
-H "Content-Type: application/json" \
-d '{"text":"hello","operation":"encode"}'
# Response: {"result":"aGVsbG8="}