Image to Base64

Convert PNG, JPG, WebP, SVG, and GIF images to Base64 data strings, RFC 2397 Data URLs, HTML img tags, or CSS background-image declarations with zero uploads.

Private • In-browser processing • Zero server uploads

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How to Use Image to Base64

1
Load Image
Upload or drag-and-drop your image file into the workspace.
2
Choose Format
Select Data URI, Raw Base64, HTML <img> tag, or CSS background syntax.
3
Select MIME Type
Verify or change the MIME type (e.g. image/png, image/jpeg, image/webp).
4
Copy or Download
Click Copy to clipboard or download the generated text string directly.

Key Features

Multi-Format Output
Convert images into Data URIs, raw Base64 payloads, HTML <img> tags, or CSS background rules.
Multiple MIME Types
Supports PNG, JPEG, WebP, SVG, and GIF image encodings.
Byte Size Calculation
View decoded byte size and overhead instantly.
100% Client-Side Privacy
Your image never leaves your device or touches an external server.

Common Use Cases

  • Embedding small icons and logos directly into HTML or CSS stylesheets to eliminate HTTP requests.
  • Generating Data URIs for offline web apps, single-file bundles, and emails.
  • Transferring image assets across JSON APIs and configuration files.
  • Debugging and inspecting base64-encoded asset payloads.

Frequently Asked Questions

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format using 64 printable characters.

Yes, Base64 encoding increases data size by approximately 33% because 3 binary bytes are encoded into 4 ASCII characters plus padding.

No. The entire conversion process occurs entirely inside your browser using FileReader and Canvas APIs.

Base64 to Image
Decode a Base64 data URL or raw string back to a viewable image file.
Base64 Encode
Encode text or binary data to Base64 format — supports UTF-8 and URL-safe mode.
Base64 Decode
Decode Base64 strings back to text or binary, with UTF-8 and URL-safe support.
Hex to Image
Convert a hexadecimal string of raw image bytes back to a viewable image.
Resize an Image
Resize PNG, JPG or WebP images to exact pixels or by percentage, with aspect lock.