XPath Evaluator

XPath Evaluator is part of DevStudio — a free, in-browser collection of developer utilities that work without sign-up, installation, or any backend service. Evaluate XPath expressions against XML documents — supports 1.0 syntax + namespace bindings, all running entirely on your device. Because the page never uploads what you paste, you can run sensitive payloads, configuration files, secrets, or production data through it with confidence: nothing leaves your browser tab. Use XPath Evaluator for ad-hoc debugging, code review, log triage, release prep, learning a new format, or as a quick scratchpad while you build. If you use this tool a lot, pair it with JSON Schema, JSONPath Evaluator, GraphQL Toolkit, and the rest of the DevStudio toolkit for related developer workflows.

Related developer tools

• JSON Schema — Infer schema and validate JSON data
• JSONPath Evaluator — Evaluate JSONPath expressions against JSON data — root/child/recursive descent/filters
• GraphQL Toolkit — Schema-side companion to API Client: formatter, introspection tree, AST outline, codegen (TS / TS-resolvers / Java / fragment matcher) and a point-and-click query Explorer
• String Inspector — Escape strings, visualize whitespace, and inspect Unicode code points

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