Does it remove xlink:href?

It writes a modern href attribute from either href or xlink:href.

Does it edit symbol definitions?

No. It only edits use elements.

The first version applies a fixed 64 by 64 size. Custom controls can be added later.

Edit

Normalize use references and apply consistent symbol instance sizing.

Normalize use references and apply consistent symbol instance sizing.

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

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SVG Use Editor normalizes use references and applies consistent symbol instance sizing.

The tool preserves href values and applies consistent width and height attributes to use elements.

Use it for quick cleanup of symbol instances before combining icons, sprites, or reusable marks.