ManyTinyTools
DEVELOPER UTILITY

XML
VALIDATOR

Validate XML syntax and check if your XML is well-formed directly in your browser.

100% CLIENT-SIDE. WELL-FORMEDNESS CHECK.
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XML INPUT
VALIDATION RESULTFormat XML →
Enter XML and click "Validate XML" to check syntax.
All validation runs locally in your browser with zero server calls.
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HOW IT WORKS

01

PASTE XML

Paste your XML document or markup snippet into the editor workspace.

02

VALIDATE SYNTAX

Click Validate XML to verify tag matching, well-formedness, and syntax rules.

03

REVIEW RESULTS

Instantly inspect whether your document is well-formed along with structural metrics.

FEATURE HIGHLIGHTS

WELL-FORMEDNESS CHECK

Detects unclosed tags, attribute quoting errors, and malformed entity declarations instantly.

100% PRIVATE & LOCAL

Zero server transmission and zero logging. Your application payloads remain strictly inside your browser.

READABLE CHECK RESULTS

Review the validation result after checking your XML input.

COPY XML INPUT

Copy your XML from the workspace after reviewing the result.

CLIENT-SIDE PRIVACY

ManyTinyTools operates browser-first. Your XML data remains strictly inside local browser memory and is never uploaded, recorded, or sent to analytics.

LOCAL
INPUT
BROWSER
MEMORY
SYNTAX
RESULT
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