Dev Utils

Tabular data conversion tools for corporate tech work. Everything runs in your browser — no data ever leaves your machine.

SWIFT / ISO 20022

ISO 20022 Workbench
Edit, pretty-print, highlight key fields, and XSD-validate any ISO 20022 message. Save messages locally in folders and tags.

Data Conversion

Data Conversion
Convert between CSV, JSON, Excel, Markdown Table, and HTML Table.

SQL Tools

SQL Result Converter
Turn copied SQL console output into CSV, Excel, JSON, Markdown, HTML, YAML, cleaned text, or SQL INSERT statements.

Diff Tools

JSON Diff
Compare two JSON documents and see unmatched properties.
Text Diff
Compare two blocks of text line by line, like git diff.

CSV Tools

CSV Formatter
Normalize delimiters, quoting, and spacing.
CSV Validator
Detect malformed rows, inconsistent column counts, and invalid escaping.
CSV Column Extractor
Select, reorder, rename, or remove columns.
CSV Filter
Filter rows by keyword, regex, or column condition.