Data Conversion Toolbox
Tools for converting between different data formats and units
Tools in This Collection
URL Encoder/Decoder
Safely encode and decode URLs for web transmission. Convert special characters to URL-safe format and back again.
CSV to JSON Converter
Convert CSV data to JSON format with customizable options
HEX to RGB Converter
Convert HEX color codes to RGB values
JSON to XML Converter
Convert JSON data to XML format
CSV to Parquet Converter
Convert CSV to Apache Parquet in your browser — column types inferred from the data, uncompressed plain encoding, downloaded as a .parquet file. No upload, written locally.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 to text. Secure encoding with support for UTF-8 characters.
CSV Validator & Linter
Validate CSV files against RFC 4180: ragged row lengths, unescaped quotes, unterminated quoted fields, trailing garbage after quotes, blank lines, mixed line endings, BOM and smart quotes, with per-line diagnostics and auto-fix suggestions. Fully client-side.
Parquet File Viewer
Open Apache Parquet files in your browser to inspect row counts, row groups and column schema, preview the first rows, and export to CSV or JSON. No upload — parsed locally.
Why This Collection
We curated this collection by combining the best tools for productivity to match your needs.
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Last updated: October 29, 2026