Pikaday
A lightweight, dependency-free JavaScript datepicker with modular CSS for easy styling.
What is Pikaday?
Pikaday is a lightweight, dependency-free JavaScript datepicker library that provides a customizable calendar interface for selecting dates in web forms. It solves the problem of adding date selection functionality without relying on heavy frameworks or external dependencies, offering a simple and efficient alternative to native browser date inputs.
Frontend developers and web designers who need a lightweight, customizable datepicker for forms and applications, especially those working on projects where minimizing dependencies is a priority.
Developers choose Pikaday for its minimal footprint, ease of styling, and flexibility—it works standalone or with optional integrations like Moment.js, making it a versatile choice for diverse project requirements.
Overview
A refreshing JavaScript Datepicker — lightweight, no dependencies, modular CSS
Use Cases
Best For
- Adding a lightweight datepicker to forms without jQuery or other heavy libraries
- Projects requiring a customizable calendar UI with modular CSS for branding
- Applications needing date selection with configurable ranges and disabled dates
- Internationalized websites requiring multi-language support for calendars
- Legacy browser support where modern date inputs are not available
- Simple integration as a vanilla JavaScript component with no build tools
Not Ideal For
- Modern web apps using component frameworks like React or Vue that need integrated datepicker components
- Projects requiring time selection functionality, as Pikaday is date-only and time support relies on unmaintained forks
- Applications where native browser date inputs (<input type='date'>) are viable and preferred for zero-JavaScript solutions
- Teams needing actively maintained libraries with regular updates and security patches
Pros & Cons
Pros
At less than 5kb minified and gzipped, Pikaday ensures minimal impact on page load times, as highlighted in the README.
It works standalone in vanilla JavaScript, with optional Moment.js integration for advanced formatting, reducing bundle size and complexity.
Modular CSS classes allow easy restyling to match any design, with examples in the README for theme customization.
Supports browsers from IE 7+ to all modern ones, making it suitable for legacy projects without polyfills.
Cons
The repository was archived in August 2025 with no active maintenance, meaning no bug fixes, updates, or security patches.
Time selection requires third-party forks that are unofficial and unmaintained, as admitted in the README extensions section.
Users must separately import and style the CSS file, which adds setup steps compared to drop-in component libraries.
Frequently Asked Questions
Related Projects
fullcalendarFull-sized drag & drop event calendar in JavaScript
bootstrap-datepickerA datepicker for twitter bootstrap (@twbs)
tui.calendar🍞📅A JavaScript calendar that has everything you need.
Date Range PickerJavaScript Date Range, Date and Time Picker Component
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