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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

XML Linter

XML Linter

Runs in your browserLocal

Check whether an XML document is well-formed and point to the first place parsing fails.

XML Formatter

Re-indent an XML document with consistent spacing and line breaks.

XML to JSON

Convert an XML document into JSON, keeping attributes as @-prefixed keys.