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Excel & Data
23Tools
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Easy for BeginnersFile Selection Type
Merge Multiple Excel Files
Copy all sheets from multiple XLSX files into one workbook.
Excel & DataMerge
Easy for BeginnersFile Selection Type
Split Excel Sheets into Separate Files
Split each sheet in an Excel workbook into a separate XLSX file and package them in a ZIP.
Excel & DataSplit
Easy for BeginnersFile Selection Type
Merge Multiple CSV Files
Combine the headers and rows of multiple CSV files into a single UTF-8 CSV file.
Excel & DataMerge
Easy for BeginnersFile Selection Type
Remove Duplicate Table Rows
Remove exact duplicate rows from CSV or XLSX files, keeping one copy of each.
Excel & DataOrganize
Easy for BeginnersFile Selection Type
Remove Empty Rows & Columns
Find and delete empty rows and columns.
Excel & DataOrganize
Easy for BeginnersFile Selection Type
Standardize Phone Number, Date, and Amount Formats
Automatically standardize phone numbers, dates, amounts, and whitespace in a table.
Excel & DataOrganize
Easy for BeginnersFile Selection Type
Compare Two Excel Files
Exports differing cells, their rows and columns, and their previous and new values to XLSX.
Excel & DataCompare
Easy for BeginnersFile Selection Type
Split Columns
Split the selected column into multiple columns using a delimiter.
Excel & DataColumn Operations
Easy for BeginnersFile Selection Type
Merge Columns
Combine multiple columns using a specified delimiter to create a new column.
Excel & DataColumn Operations
Easy 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
Password-Protect XLSX
Protect an Excel file in an AES-encrypted ZIP archive.
Excel & DataPassword Protection
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
Easy for BeginnersFile Selection Type
Split Large CSV Files
Split a CSV into files with the specified number of rows and save them as a ZIP archive.
Excel & DataSplit
Easy for BeginnersFile Selection Type
Extract text from an image
Recognize Korean or English text in a photo and save a copyable TXT file.
Excel & DataTable OCR
Easy for BeginnersFile Selection Type
Convert Table Image to Excel
Use OCR to extract a table from an image and organize it into XLSX rows and columns.
Excel & DataTable OCR
Easy for BeginnersFile Selection Type
Anonymize Excel Data
Replaces selected columns with asterisk masking or SHA-256 hashes.
Excel & DataAnonymization
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.