Does Base64 make SVG smaller?

Usually no. It is an encoding format, not compression.

Does it support Unicode text?

Yes. The encoder handles UTF-8 SVG text.

Yes. The result includes both raw Base64 and a data URI.

Convert

Encode SVG markup as Base64 text and Base64 data URIs for embeds, APIs, and CSS.

Encode SVG markup as Base64 text and Base64 data URIs for embeds, APIs, and CSS.

Choose an SVG file, paste SVG markup, or load the sample to begin.

Page context

SVG to Base64 encodes SVG markup as Base64 text and a Base64 data URI for APIs, embeds, and compatibility-focused workflows.

Base64 is useful when a system expects opaque encoded text or when URL escaping is inconvenient.

Base64 SVG is usually longer than URL-encoded SVG, but it is accepted by many embed and API surfaces.