Plain-Text, Markdown & Data Conversion Utilities
Fast browser-based data converters: CSV to JSON, Markdown to HTML, CSS/JS code minifier, and email list de-duplicator with zero latency.
Plain-Text, Markdown & Data Conversion Utilities
100% Client-side • Instant execution • Zero server data retention
How to Use Data Converter
Fast, effortless, and private in three simple steps
Select Conversion Tool
Pick CSV ↔ JSON, Markdown ↔ HTML, Minifier, or List De-duplicator.
Paste Your Text or Code
Paste your raw data into the left input pane.
Copy or Download Output
Copy the converted output or download it directly as a formatted file.
Why Choose Our Data Converter?
Built for creators, developers, and daily productivity
Two-Way CSV ↔ JSON Conversion
Convert spreadsheet CSV exports into structured JSON arrays of objects and vice versa with 1 click.
Markdown ↔ Clean HTML
Convert markdown content into semantic, cleanly structured HTML markup with zero extraneous wrapper tags.
Code Minifier & Whitespace Compactor
Strip comments, compress whitespace, and minimize CSS and JavaScript payload sizes.
Email & Text List De-duplicator
Remove duplicate lines, normalize casing, sort alphabetically, and report removal counts.
Frequently Asked Questions
Everything you need to know about Data Converter
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