Free Tool
Free Base64 Encoder & Decoder
Encode text or files to Base64, or decode Base64 back to text.
Free, private, no upload to a server. Everything happens in your browser.
Your text and files are never uploaded anywhere — all encoding and decoding happens locally in your browser.
Text
Base64 Output
Everything You Need for Base64
100% Private
Text and files are never uploaded — everything happens locally in your browser.
Completely Free
No sign-up, no limits. Free forever.
UTF-8 Safe
Correctly encodes and decodes non-Latin1 characters like emoji and accents.
File → Base64
Convert any file into a Base64 data URL for embedding in CSS, JSON, or HTML.
Clear Errors
Invalid Base64 input is flagged immediately instead of failing silently.
Works Everywhere
Desktop, tablet, or phone — no app required.
