Image to Base64 Converter

100% Client-Side Local Processing

Encode JPG, PNG, WebP, GIF, or SVG images into Base64 Data URI, raw string, HTML img tag, or CSS background with exact byte preservation.

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Supports JPG, PNG, WebP, GIF, and SVG (up to 25MB)

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About Base64 Image Encoding

Exact Byte Preservation: Converts original image file bytes directly into standard Base64 text without raster canvas re-encoding. Transparency, animation frames, and color profiles remain 100% intact.
Data URI Mode: Generates ready-to-use data:image/png;base64,... string suitable for inline web images, email templates, and self-contained HTML/CSS assets.
HTML & CSS Snippets: Instant one-click generation of <img src="..."> tags and background-image: url(...) CSS rules.
Supported Formats: JPG, JPEG, PNG, WebP, animated GIF, and vector SVG files up to 25MB.

100% Private Client-Side Processing

Zero Server Uploads: Conversions are performed entirely inside your web browser using HTML5 FileReader and Blob encoding APIs. Your files never leave your computer or phone.
Sandboxed SVG Safety: SVGs are securely isolated inside standard sandboxed image contexts without executing external scripts or inline markup vulnerabilities.
Fast & Offline Capable: Generates Base64 instantaneously with zero network latency. Works completely offline once loaded.