Mask Phone Number

Online tool for hiding phone numbers in text, logs, screenshots, demos, and public materials.

Обработка выполняется локально в браузере. Данные не отправляются на сервер.

For this tool, processing runs locally in your browser and data is not sent to the server.

Mask Phone Number is a free online tool for masking phone numbers in text and hiding personal data before publication, demos, screenshots, reports, support cases, documentation, and training materials. Processing runs locally in your browser and data is not sent to the server.

What it does

Output

Processing

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TExtract Phone Numbers

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How to use

Paste text, a log, support ticket, CRM export, spreadsheet, or list containing phone numbers.
Choose a masking mode: keep last 4 digits, last 2 digits, country code, or hide the number completely.
Configure the mask symbol and decide whether to preserve the original number format.
Copy the result and use it in a demo, screenshot, public report, training material, documentation, or test data.

More about this tool

This tool masks phone numbers in text and helps hide personal data before publication, demos, screenshots, reports, support cases, documentation, and training materials. You can keep the last digits of a number, preserve the country code, hide the number completely, choose the mask symbol, and keep the original format with spaces, parentheses, and hyphens. The service finds Russian and international numbers inside text and replaces them in place without changing the rest of the content.

Runs in the browser
Data is not sent to the server
Masks phone numbers inside text
Supports Russian +7 and 8 numbers
Supports international numbers
Can keep the last digits visible
Can preserve the original number format
Useful for demos, screenshots, reports, support, and documentation
No registration required

Frequently Asked Questions

How do I mask a phone number in text?

Paste text containing phone numbers into the input field. The tool finds numbers and replaces selected digits with the chosen mask symbol.

Which phone digits stay visible?

That depends on the selected mode. You can keep the last 4 digits, last 2 digits, country code and last 4 digits, or hide the number completely.

Is the number format preserved?

Yes, if format preservation is enabled. In that case spaces, parentheses, hyphens, and the plus sign stay in place while only the selected digits are hidden.

Are +7 and 8 numbers supported?

Yes. The tool finds Russian numbers in +7, 8, spaced, parenthesized, and hyphenated formats.

Can international numbers be masked?

Yes. When enabled, the tool can find international numbers with country codes and mask them using the selected mode.

Is the tool suitable for screenshots and reports?

Yes. The service is useful when you need to show the structure of a ticket, log, or CRM record but hide real phone numbers.

Does the service verify whether a number exists?

No. The tool only finds and masks numbers in text. It does not verify number existence, carrier, HLR, or country through external databases.

Does the tool extract phone numbers as a separate list?

No. This service masks phone numbers inside text. Use the Extract Phone Numbers tool to get a separate list.

Is my data sent to the server?

No. Text is processed locally in your browser and is not sent to the server.

Do I need to register?

No. The tool works immediately and does not require registration.

How to use

Paste text, a log, support ticket, CRM export, spreadsheet, or list containing phone numbers.

Choose a masking mode: keep last 4 digits, last 2 digits, country code, or hide the number completely.

Configure the mask symbol and decide whether to preserve the original number format.

Copy the result and use it in a demo, screenshot, public report, training material, documentation, or test data.

More about this tool

Runs in the browser
Data is not sent to the server
Masks phone numbers inside text
Supports Russian +7 and 8 numbers
Supports international numbers
Can keep the last digits visible
Can preserve the original number format
Useful for demos, screenshots, reports, support, and documentation
No registration required

Frequently Asked Questions

How do I mask a phone number in text?

Paste text containing phone numbers into the input field. The tool finds numbers and replaces selected digits with the chosen mask symbol.

Which phone digits stay visible?

That depends on the selected mode. You can keep the last 4 digits, last 2 digits, country code and last 4 digits, or hide the number completely.

Is the number format preserved?

Yes, if format preservation is enabled. In that case spaces, parentheses, hyphens, and the plus sign stay in place while only the selected digits are hidden.

Are +7 and 8 numbers supported?

Yes. The tool finds Russian numbers in +7, 8, spaced, parenthesized, and hyphenated formats.

Can international numbers be masked?

Yes. When enabled, the tool can find international numbers with country codes and mask them using the selected mode.

Is the tool suitable for screenshots and reports?

Yes. The service is useful when you need to show the structure of a ticket, log, or CRM record but hide real phone numbers.

Does the service verify whether a number exists?

No. The tool only finds and masks numbers in text. It does not verify number existence, carrier, HLR, or country through external databases.

Does the tool extract phone numbers as a separate list?

No. This service masks phone numbers inside text. Use the Extract Phone Numbers tool to get a separate list.

Is my data sent to the server?

No. Text is processed locally in your browser and is not sent to the server.

Do I need to register?

No. The tool works immediately and does not require registration.