☀OneFreePlace
TOOL #399 · SITEMAP STUDIO
Discovery · sharding · protocol validation

XML Sitemap Generator

Turn URL lists or CSV into standards-compliant XML sitemaps, automatically shard large sites, generate sitemap indexes, audit metadata and export the full set as a local ZIP.

100% local · no crawling

URL dataset

Generated sitemap

Valid URLs—
Files—
XML size—
Removed/invalid—

Generated files

Sitemap index

Protocol guardrails

50,000 URLs per sitemap
Large inputs are automatically split.
50 MB uncompressed per sitemap
The builder shards by actual UTF-8 XML byte size, not character count.
Absolute URLs only
Fragments are removed and malformed schemes are rejected.

Metadata guidance

lastmod is useful when it accurately reflects meaningful page changes. Google ignores changefreq and priority, so they are optional compatibility fields here rather than defaults.