Elysia Tools
Navigation
Security
Decrypt specific fields in Excel files using various decryption methods to restore encrypted information
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
Related
Ready for a run
Tool usage guide
The Excel Field-Level Decryptor is a secure utility designed to restore encrypted or obfuscated data within your spreadsheet files. It supports multiple decryption methods, including AES, Base64, and Caesar cipher, allowing you to target specific columns or entire worksheets for quick and accurate data recovery.
Background
A marketing team received a lead list where email addresses were encoded in Base64 to prevent accidental exposure.
Problem
The team needs the raw email addresses to perform an outreach campaign.
How to use
Upload the file, select 'Base64 Decoding' as the method, and specify the 'Email' column.
Outcome
The tool outputs a clean Excel file with the email addresses fully restored and ready for use.
Background
An auditor has an Excel sheet containing sensitive salary data encrypted with AES.
Problem
The auditor needs to view the actual figures to verify payroll compliance.
How to use
Upload the file, select 'AES Decryption', enter the provided decryption key, and process the file.
Outcome
The encrypted cells are replaced with the original numeric values, allowing for accurate auditing.
The tool supports standard Excel formats, including .xlsx and .xls files.
No, a key is only required for AES decryption. Other methods like Base64 or Caesar cipher use different parameters.
Yes, you can enter comma-separated field names in the 'Fields to Decrypt' option to target specific data.
You can select the 'Auto-Detect Method' option, and the tool will attempt to identify and apply the correct decryption logic.
The tool processes your file locally or via secure server-side operations to ensure your data remains private and is not stored permanently.