CSV/TSV masking tool
Keep column configuration, quotation marks and line breaks, and mask and anonymize sensitive information of CSV and TSV only in your browser.
Read CSV/TSV
Paste text or select or drop a file. Only one file can be loaded.
Masking settings per column
Columns inferred to contain sensitive information are selected automatically. You can change each column as needed.
| Columns | Estimated Types | method | Fixed value |
|---|
Input and masking result
Right-clicking the right cell can remove and reset the masking only for the cell. You can also switch to the Enterprise key.
- Rows
- 0
- Columns
- 0
- Masking Cell
- 0
- Inherent subst tion value
- 0
Input data
Masked result
Output settings
Specify the format of CSV/TSV to copy or download.
About this tool
Before sharing CSV/TSV to a third party, you can replace your name, email address, phone number, ID, etc. with the column structure.
Features
- CSV · TSV · semicolon · pipe delimiters
- UTF-8, UTF-8 with BOM, , JIS
- quotes, quotes, empty cells, terminal cells
- Change the masking of columns and cells
How to use
- CS CSV/TSV or read the file.
- Check the column and how to replace the masking object.
- You can remove the result cell by right-clicking it.
- Select the output format and copy or download it.
Notes
- Automatic judgment is an auxiliary function by the column name and value format. Please check if the confidential information is not included before output.
- In large data, the memory usage of the terminal increases and processing time may be time consuming.
- The character that does not exist in JIS JIS is replaced with "?".
Privacy: The input contents, files, and masking results are processed only in the browser and are not sent or saved to the developer tool server.