Round/rewrite numbers (cleanupNumericValues)
Rounds numeric attributes (coordinates, opacities) to fewer decimal places.
What Round/rewrite numbers does in SVGO
SVGO applies cleanupNumericValues as part of its plugin pipeline. On SVGOMG.net the toggle is labeled Round/rewrite numbers (enabled by default). Optimization runs entirely in your browser — files are not uploaded to a server.
Use SVGOMG.net with Show original to compare before and after. If output looks wrong, disable this plugin first, then re-enable related transforms one at a time.
When to enable
Most web SVGs; tune global number precision on SVGOMG.net.
When to disable
Scientific plots or maps needing many decimal places.
Watch out for
Works with convertPathData; combined rounding can compound.
Try it
- Open SVGOMG.net and load your SVG (file, paste, or demo).
- Find Round/rewrite numbers in the Features panel (
cleanupNumericValues). - Toggle the plugin and compare the preview; download when satisfied.
Part of: Responsive SVG sizing
This plugin is covered in the Responsive SVG sizing topic guide along with related transforms.
SVGO Plugin Guide
Browse the SVGO Plugin Guide or read the full SVG optimization walkthrough.