Python API to Process SVG Files

Convert SVG using Python via .NET

Using Aspose.SVG for Python via .NET, you can read and convert SVG documents to PDF, XPS, and popular image formats with a few lines of code. Our engine ensures that all filters, gradients, and CSS3 effects are faithfully preserved in the output.

import aspose.svg as svg
import aspose.svg.converters as conv
import aspose.svg.saving as sav

# Initialize save options for PDF
options = sav.PdfSaveOptions()

# Load an SVG document from a local file
with svg.SVGDocument("source.svg") as document:
    # Convert the SVG document to PDF format
    conv.Converter.convert_svg(document, options, "result.pdf")

Image Vectorization in Python

The Image Vectorizer engine allows you to transform raster images like PNG, JPG, or BMP into high-quality, scalable SVG paths. This is essential for converting legacy graphics into modern, resolution-independent assets.

import aspose.svg as svg
import aspose.svg.imagevectorization as iv

# Define vectorization configuration
config = iv.ImageVectorizerConfiguration()
config.path_builder = iv.BezierPathBuilder(max_error=10.0)

# Initialize vectorizer and process as image
vectorizer = iv.ImageVectorizer(config)
with vectorizer.vectorize("input.png") as document:
    document.save("vectorized_result.svg")

You can try the free online Image Vectorizer directly in your browser.

Other Supported Vectorizers:

Merge SVG Files in Python

The render() approach gives you the ability to send multiple SVG documents at once to the output rendering device and merge them into a single file, such as a multi-page PDF.

import aspose.svg as svg
import aspose.svg.rendering as rn
import aspose.svg.rendering.pdf as rp

# Initialize a renderer and a PDF output device
with rn.SvgRenderer() as renderer:
    with rp.PdfDevice("merged_output.pdf") as device:
        # Load multiple SVG documents
        with svg.SVGDocument("file1.svg") as doc1, svg.SVGDocument("file2.svg") as doc2:
            # Render files into a single document
            renderer.render(device, [doc1, doc2])

Why Choose Aspose.SVG for Python via .NET?

Aspose.SVG for Python via .NET provides the most comprehensive SVG processing capabilities with full W3C compliance, high-performance rendering, and zero external dependencies.

• Full SVG DOM Tree manipulation and programmatic node generation
• Advanced CSS selectors, XPath queries, and accurate SVG parser capabilities
• Multi-format export pipeline (beyond traditional PDF/PNG conversions)
• Reliable server-side SVG processing for Linux and containerized environments
• A supported, enterprise-ready API architecture

Best for:

• Document Processing Systems: Ideal for building robust workflows where SVG files need to be parsed, modified, and converted programmatically as part of larger content pipelines.
• Automation Pipelines: Well-suited for automating repetitive SVG tasks such as batch conversion, template-based generation, and data-driven updates without manual intervention.
• SaaS & Cloud Platforms: A strong choice for applications that require scalable, server-side SVG processing with consistent output and minimal dependency management.