Input Mask

Input Mask, also known as an input mask format, is a type of software program, often used in computer systems and applications, that allows for tailored data entry. It involves masking fields of input by characters in a certain pattern in order to ensure that data meets certain requirements. This can include standardizing data such as text entries and telephone numbers into standard formats, or providing guidance in the input fields, such as a drop-down menu or a “hint” text.

Input masks can make data entry much more efficient and reliable by limiting the possible input values and preventing invalid entries. This allows for structured and standardized data entered into a database. Additionally, it can make it easier for data to be sorted and analyzed – uniform formats make data much easier to interpret.

Input masks are popular in user interface design as a way to ensure user understands what is expected of them when entering data. Despite the advantages associated with input masks, they can be cumbersome for users to understand and use – too many masks can be confusing and difficult to use. As a result, some developers prefer to use alternative input validation techniques.

Input masks are often used to improve the integrity of a database or program by restricting input values to only those that adhere to specific standards. Some common fields that are often masked include zip codes, dates, phone numbers, percentages, and currency. Popular software programs, such as Microsoft Access and Visual Basic incorporate input masks into their data entry functions.

Input masks can be an effective way to increase data integrity and reliability and prevent user error in data entry. Care should be taken in their usage, however – an excessive number of complicated input masks can actually impede user input.


* Babu, Jyothsna. “What is an Input Mask Format in Microsoft Access?”. Techwalla, 8 October 2019.

* Newman, Rob. “Input Masks”. W3Schools, 6 February 2020.

* “Input Mask”., February 2021.

Choose and Buy Proxy

Datacenter Proxies

Rotating Proxies

UDP Proxies

Trusted By 10000+ Customers Worldwide

Proxy Customer
Proxy Customer
Proxy Customer
Proxy Customer
Proxy Customer
Proxy Customer