Image to Base64 Converter
Convert any image to a Base64-encoded data URI string, ready to embed directly in HTML or CSS.
About the Image to Base64 Converter — Encode Images Online
Convert images to Base64 data URIs instantly. Upload PNG, JPG, GIF, SVG, or WebP files and get embeddable Base64 strings for HTML and CSS. 100% client-side — your images never leave your browser.
Why client-side?
Every byte you paste, type, or upload here is processed entirely inside your browser. Nothing is sent to a server, logged, or stored. That means it's safe to use this tool on production secrets, customer data, internal logs, and any input you would not paste into a hosted SaaS formatter.
Related tools
- Website SEO Checker Extract and analyze SEO meta tags from any URL. Check title tags, meta descriptions, Open Graph, and more.
- Private JSON Formatter & Validator - Fast, Client-Side Data Tool Free JSON formatter and validator that runs entirely in your browser. Beautify, validate, and pretty-print JSON with no uploads, no sign-up, and no data leaving your device.
- Base64 Encoder/Decoder Encode and decode Base64 strings in your browser. Handles UTF-8, emoji, and binary safely via TextEncoder. Use for data URIs, JWT inspection, and Basic Auth headers.
- Markdown Previewer Write and preview Markdown in real-time with a side-by-side editor. Supports headings, lists, code blocks, and more.
Frequently Asked Questions
- How do I convert an image to Base64?
- Upload or drag-and-drop an image file. The tool instantly generates the Base64 data URI string, plus ready-to-use HTML and CSS snippets.
- What image formats are supported?
- The tool supports PNG, JPG, JPEG, GIF, SVG, WebP, ICO, and BMP image formats.
- Why would I use Base64 for images?
- Base64-encoded images can be embedded directly in HTML or CSS, eliminating an extra HTTP request. This is useful for small icons, logos, and email templates.
- Is my image uploaded to a server?
- No. The conversion uses the browser's FileReader API. Your image is processed entirely on your device and never sent anywhere.