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JSON & data

YAML

YAML Flattener / Unflattener YAML to JSON

XML

XML Formatter XML Linter XML to JSON XML to HTML XPath Tester

CSV

CSV Viewer CSV Cleaner

CSV to JSON CSV to Table CSV Splitter & Merger SQL INSERT to CSV

TOML, .env & properties

TOML to YAML Env File Converter Properties Converter TOML Linter

Files

Encode & convert

Text & writing

Web & design

Dev & ops

Security

Generate & media

Calculators & reference

English

Changelog Attributions

© 2026 Daniel Chen

PrismKit

Data Formats

XPath Tester

XPath Tester

Runs in your browserLocal

Evaluate an XPath expression against an XML document and inspect the nodes it selects.

XML to HTML

Render an XML document as a nested HTML table and copy the generated markup.

XSLT Tester

Apply an XSLT stylesheet to an XML document and see the transformed result.