Base64 Encoder & Decoder
Encode plain text into Base64 format or decode Base64 strings back to text.
How to Use Base64 Tool
Follow these simple steps to process your files in seconds without installing any software or uploading to third-party clouds.
Input Text or File
Paste text or drop a file to encode or decode.
Select Action
Toggle between Encode (Plain to Base64) or Decode (Base64 to Plain).
Copy Result
Copy the output string or download the decoded file.
Key Features & Privacy Highlights
Engineered for privacy, lightning speed, and maximum fidelity across all desktop and mobile browsers.
Full UTF-8 & Emoji Support
Properly handles international unicode characters and emojis without mangling.
Data URI Scheme Generation
Generate ready-to-embed data:image/png;base64 URLs for HTML and CSS.
Local Execution
Decode sensitive authorization headers and tokens with complete confidentiality.
One-Click Quick Copy
Instantly copy large Base64 strings with feedback notification.
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Frequently Asked Questions
Common queries about processing speeds, device privacy, and file limits.
What is Base64 encoding used for?
Base64 is used to encode binary data (like images or encrypted keys) into an ASCII string format suitable for HTTP transfers and JSON payloads.
Is Base64 an encryption method?
No, Base64 is an encoding format, not encryption. Anyone can decode a Base64 string back to its original form.
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