Convert Image to Base64
Encode any image as a Base64 string you can paste straight into CSS, HTML, or JSON. Instant, private, and free — the encoding runs in your browser and never uploads your image.
2 free credits · No signup · ~10 seconds
A copy-ready data string — the encoding runs in your browser.
Why use this convert tool
Inline images with no extra request
A Base64 data URI embeds the image directly inside your CSS or HTML, so the browser makes no separate network request to fetch it. That is handy for tiny icons, background patterns, and email templates where every extra round trip adds latency or simply is not allowed.
Runs in your browser
The encoding happens locally on your device using the browser itself. The image is never uploaded just to be converted, so nothing leaves your machine and your file stays completely private, even for logos or artwork you have not published yet.
Copy-paste ready
You get the raw Base64 string ready to drop into a data URI, a JSON payload, or a config file. The result panel shows the encoded string so you can copy it straight away, or you can download it as a plain .txt file for later.
Base64 versus hosting a file
Hosting an image file keeps your markup small and lets browsers cache it across pages. Base64 embeds everything inline, which removes a request but enlarges the text and is not cached separately. Inline small assets, and keep large or reused images as hosted files.
Which formats work
You can encode PNG, JPG, WebP, or SVG. The output is a text representation of whatever you upload, so a transparent PNG stays transparent and an SVG keeps its vector data. Smaller source files produce shorter, more manageable strings that are easier to paste.
How to convert image to base64
Upload your image
Drop in a PNG, JPG, WebP, or SVG. The file is read locally in your browser and never sent to a server.
Get the Base64 string
The encoded string appears in the result panel automatically as soon as the image loads, ready to read and reuse.
Copy or download
Copy the string straight from the result panel, or download it as a plain .txt file to keep for later use.
Convert Image to Base64 — in the editor
The real editor, start to finish — no signup needed to try it yourself.
2 free credits · No signup · ~10 seconds
When you need it
Inline CSS and HTML
Embed small icons directly with a data URI and skip the extra file.
Email templates
Some email workflows need images inlined as Base64 to render.
JSON and configs
Store a small image inside a JSON field or config value.
Prototypes
Ship a self-contained HTML file with no separate image assets.
Design tokens
Bundle a tiny logo or glyph into a component library as a string.
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Frequently Asked Questions
Encode your image to Base64
Upload and copy the string — it never leaves your browser.