Ling.Tools

Text & code / LING.TOOLS

XML validator & formatter

Validate XML syntax and optionally format documents without fetching external resources.

Input & settings

01
Configure tool input
Processed in your browser. Your input is never uploaded or saved.

Result

02

Ready when you are

Set up your input and run the tool. Your result will appear right here.

Private · Instant · Local

GUIDE & CONTEXT

About this tool

Parsing is local. External DTD and entity declarations are rejected to avoid loading or expanding untrusted content. Formatting may change insignificant whitespace.

How to use it

  1. Paste XML and choose validate or format.
  2. Run and review parser errors or formatted output.
Example

<root><item>Hi</item></root> can be validated or indented.

Random stringGenerate random strings with selected character groups, a custom alphabet and an option to exclude ambiguous characters.Random hexadecimalCreate random hexadecimal strings in uppercase or lowercase, with adjustable length and batch size.Random numberPick random integers or decimal numbers within a chosen range, with endpoint controls, precision and batch generation.UUID generatorGenerate cryptographically random UUID v4 identifiers in bulk, with uppercase and hyphen formatting options.Password generatorGenerate passwords locally with cryptographic randomness, required character groups, exclusions and batch output.ULID & NanoIDCreate time-sortable ULIDs or compact NanoIDs, including custom NanoID length and alphabet options.Lorem IpsumGenerate Lorem Ipsum placeholder text by word, sentence or paragraph for layout and typography testing.JSON formatterValidate, pretty-print or minify JSON, optionally sort object keys and locate syntax errors in pasted data.YAML ↔ JSONConvert YAML configuration to JSON or JSON to readable YAML using safe parsing without executable custom tags.Base64 / Base64URLEncode Unicode text as Base64 or decode it back to UTF-8, with a URL-safe alphabet for tokens and query values.URL encoderPercent-encode or decode a complete URI or a single URL component, including Unicode and reserved characters.HTML entitiesEscape text as HTML entities or decode entity references, with decoded markup displayed safely as plain text.
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