Base64 Encoder, Decoder & Data URI Studio
Encode text strings and binary images into Base64 formats, or decode Base64 strings back into original text and downloadable media files.
Key Features
- Encode plain text into Base64 string
- Decode Base64 strings back to readable UTF-8 text
- Convert JPG/PNG images into Base64 Data URIs (data:image...)
- URL-safe Base64 encoding option
- Instant copy for HTML/CSS embedding
How to Use Base64 Encoder / Decoder
- Select Mode (Text Encode/Decode or Image Base64).
- Paste text/Base64 string or drop an image file.
- View instant encoding results.
- Click Copy Result to copy string to your clipboard.
Frequently Asked Questions
What is Base64 encoding used for?
Base64 encoding converts binary data (like images or encrypted keys) into clean ASCII text strings for transmission over HTTP APIs and email attachments.
How do I embed an image directly into HTML using Base64?
Upload your image, copy the generated Data URI string, and paste it into `
`.
Is Base64 encryption secure?
Base64 is an encoding format, not encryption. Anyone can decode Base64 back to original text.
Is my input data safe?
Yes, encoding and decoding take place entirely within your local browser.