Multiple Conversion Formats
Convert audio files such as M4A, MP3, and WAV; video files such as MP4, WEBM, and MOV; and images such as JPG, PNG, and WEBP into formats suited to your needs.
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Frequently used categories are listed first, with concise card descriptions.
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Data Conversion
9ToolsEasy for BeginnersFile Selection Type
Character Encoding Converter
Resaves CSV and TXT files using UTF-8, CP949, or EUC-KR encoding.
Excel & DataEncoding
Easy for BeginnersFile Selection Type
Convert JSON to CSV
Convert a JSON array of objects into a CSV table.
Excel & DataJSON·CSV·XLSX
Easy for BeginnersFile Selection Type
CSV to JSON
Convert CSV rows into an array of JSON objects.
Excel & DataJSON·CSV·XLSX
Easy for BeginnersFile Selection Type
JSON to XLSX
Convert a JSON array of objects into an Excel table.
Excel & DataJSON·CSV·XLSX
Easy for BeginnersFile Selection Type
Convert XLSX to JSON
Convert the first Excel worksheet into an array of JSON objects.
Excel & DataJSON·CSV·XLSX
Easy for BeginnersFile Selection Type
XML to JSON
Convert XML hierarchies to JSON structures.
Excel & DataXML·YAML
Easy for BeginnersFile Selection Type
Convert JSON to XML
Convert a JSON array into an item-based XML document.
Excel & DataXML·YAML
Easy for BeginnersFile Selection Type
Convert YAML to JSON
Convert YAML data to JSON.
Excel & DataXML·YAML
Easy for BeginnersFile Selection Type
JSON to YAML
Convert JSON data into easy-to-read YAML.
Excel & DataXML·YAML
Everything from file conversion to calculations and diagnostics in one place
REGOLITH is more than a collection of links. It provides functional web tools that take you from entering data and running tasks to reviewing and saving results. Original files remain unchanged, with results created separately. Each tool page explains supported formats, usage steps, and how to review results before you begin.
Getting Started Guide
Instructions for selecting files, configuring options, running tools, and saving results are available on a separate guide page and within each tool.
Detailed Task Descriptions
Provides format characteristics, recommended uses, guidelines for verifying calculation results, and precautions for handling sensitive files.