XML Sitemap Parser & Analyzer
Parse XML sitemaps and display URL count, lastmod dates, changefreq, and priority statistics.
How it works
- 1Paste or type your text in the input field
- 2Click "Parse" — processing happens in your browser
- 3Copy the result or download as a text file
What to do next
About XML Sitemap Parser
XML Sitemap Parser is a developer tool that runs in your browser. Parse XML sitemaps and display URL count, lastmod dates, changefreq, and priority statistics. The page you are reading is the same workspace you will use to do the work: pick a file or paste your input, choose the options that matter to you, and the tool produces the result on your device.
Reach for XML Sitemap Parser when you need a predictable result on a single file. The page works on the first visit, the controls are visible without a menu, and the output is delivered the moment the engine finishes.
XML Sitemap Parser performs the transformation entirely inside the JavaScript runtime. Your file lives in the tab's memory while the engine works on it; the result lives in the tab's memory until the browser triggers the download. Both are released when the tab closes, the way every browser tab releases its memory.
Architecturally, XML Sitemap Parser is a single-page client. The processing layer is standard browser APIs; the UI is a thin React shell on top. Inputs flow through the engine and the output is returned to the browser as a Blob you can save or copy. The 0 MB cap is the only hard limit and it exists to keep memory usage stable on every device.
The 0 MB ceiling on input size is the only fixed limit. Output files are produced in standard formats that every common viewer recognises, and the tool runs the same way regardless of how many times you have used it during the session.
The heaviest users of XML Sitemap Parser tend to be site reliability engineers triaging logs, devops engineers crafting one-liners and backend developers inspecting requests. Each group brings slightly different expectations to the tool, but the same single-page architecture serves every one of them with the same response time.
XML Sitemap Parser returns the result as a download. If you are running multiple jobs, the output names will not collide as long as the input names differ. You can re-run with different settings as many times as you like; each run produces a fresh file with no caching trickery in between.
Once you have used XML Sitemap Parser, the natural next steps depend on what you are doing with the result. Common follow-ups include robots.txt Tester, RSS Feed Validator, and Atom Feed Validator. These are surfaced on the page so you do not have to hunt the catalog manually.
XML Sitemap Parser is built around steady iteration on a small set of options rather than feature creep. Every additional setting attracts a slightly different audience, but a long settings panel makes the common case slower for everyone. The current controls reflect what users of the tool actually use.
Some context on why XML Sitemap Parser exists in this form: modern File APIs, high-performance JavaScript engines, and well-maintained open-source libraries now make it possible to perform developer utility work entirely in the browser. XML Sitemap Parser is built on top of that capability, which is why a single page can host the full pipeline.
If you also use a command-line tool for xml sitemap parser, XML Sitemap Parser is a convenient alternative for the times you are on a different machine or helping someone who is not comfortable in a terminal. The output is a standard file in the format documented above.
A few practical tips that experienced users of XML Sitemap Parser pick up over time. First, keep your default browser updated — the engine relies on standard web APIs and newer browser versions are noticeably faster than ones from a few years ago. Second, close other heavy tabs before processing a large input; the engine shares CPU and memory with whatever else is open. Third, if you re-run the same kind of job often, your last-used settings are remembered for the rest of the tab session, so subsequent runs are essentially one click.
If XML Sitemap Parser appears to hang, the engine is almost certainly still working — large inputs simply take longer to process inside a browser than they would on a server with multi-core scheduling. For inputs near the 0 MB cap, give it up to a minute on a typical laptop before assuming something is stuck.
Open the workspace above to start using XML Sitemap Parser. The engine loads on the first interaction so the page itself stays light, and once the tool is warm it processes subsequent jobs quickly. The moment the page is interactive, the tool is ready to do real work on your file.
How it works
- 1Open the XML Sitemap Parser workspace above. The interface is a single page, so there is nothing to navigate.
- 2Add your developer input by dropping it onto the page or browsing for it.
- 3Tweak the controls if the defaults are not quite right for your input. The options are kept short and labelled in plain language.
- 4Click to start the job. The engine (standard browser APIs) processes the input in the page; you can watch the progress indicator until it completes.
- 5Download the result. The file is generated in your browser and saved through your normal download flow.
- 6Run additional jobs as needed. The same controls and defaults apply on every run.
Common use cases
- Format a noisy log line into something a teammate can read using XML Sitemap Parser.
- Validate a config blob before pushing to staging.
- Pretty-print a minified blob during incident triage.
- Decode a token to confirm its claims during a debugging session.
- Inspect a payload during local development without writing a script.
- Generate boilerplate from a single specification line.
- Convert between data formats while wiring up an integration.
- Compare two API responses to spot a regression.
FAQ
What sitemap formats?
Standard XML sitemaps and sitemap index files following the sitemaps.org protocol.
What is analyzed?
URL count, lastmod dates, changefreq distribution, priority values, and structure validation.
Max URLs?
The parser handles up to 50,000 URLs (the sitemap protocol limit) in a single file.
Sitemap index?
Sitemap index files are detected and their child sitemap references are listed.
Validation?
Checks for required <urlset> root, valid <loc> entries, and proper XML structure.
Private?
Yes — parsing runs locally.
Is XML Sitemap Parser keyboard accessible?
XML Sitemap Parser uses native HTML controls wherever possible, which means keyboard navigation, focus rings, and screen-reader labels work the way the platform expects. The drop zone accepts files via the keyboard-accessible file picker as well as drag-and-drop, and result downloads use standard browser download flows. If you spot an accessibility gap, Favtoo treats it as a bug worth fixing.
Do I need to install anything to use XML Sitemap Parser?
No installation is needed. XML Sitemap Parser runs as a normal web page, with no browser extension, no native helper, and no separate desktop client to download. That is partly a privacy choice — extensions can request broad permissions, while a regular page is sandboxed by default — and partly a convenience one: you can use XML Sitemap Parser on any computer you have temporary access to without leaving anything installed on it.
Why does XML Sitemap Parser feel slow on large inputs?
Most jobs finish in seconds. Speed scales with input size and with how many CPU cycles your browser tab has available — the engine runs in your browser, so it shares resources with whatever else you have open. For inputs near the 0 MB ceiling, expect anywhere from a few seconds to roughly a minute on a typical laptop. Closing other heavy tabs noticeably speeds things up.
Are there any hidden fees with XML Sitemap Parser?
XML Sitemap Parser is free to use. The processing runs in your browser, which keeps the per-user cost low enough that the tool can be offered openly. The download is the same file the engine produced — you can use it for as many runs as you need.
Is XML Sitemap Parser lossless?
XML Sitemap Parser is built to preserve quality wherever the underlying developer format allows it. Operations that are mathematically lossless (e.g. structural transformations, lossless re-encoding) round-trip with no perceptible change. Operations that involve a lossy codec inevitably introduce small artefacts at the byte level, but the defaults aim at the sweet spot where output looks or sounds the same to a normal viewer or listener while still being meaningfully smaller or faster than the input.
Does XML Sitemap Parser upload my file to a server?
Your file is processed inside your browser by standard browser APIs. The engine reads the file's bytes from your tab's memory, computes the result, and writes the result back into the tab. You can confirm what the page does by opening developer tools and watching the Network tab during a run — the requests you see are for the tool's static assets only.
Does XML Sitemap Parser work in Safari, Firefox, Chrome and Edge?
XML Sitemap Parser works in any modern browser released in the last few years — Chrome, Edge, Firefox, Safari, Brave, Arc and the major Chromium derivatives are all supported. The underlying engine relies on widely-supported web APIs, so there is nothing exotic to install. If you are on a very old browser version and the tool fails to load, updating to the latest release of your preferred browser is the only fix needed.