FormValidation
The best validation library for JavaScript
- Written in ES6
- Type safety using TypeScript
- Zero dependencies
- No jQuery
- Can be used as AMD, ES6 modules and global scripts
Demo
Trusted by
Biggest collection of validators
40+
Validators
50+
Plugins
- Cover most various types of form field
- Develop, reuse custom validator
- Support sync and async validators
- Plugin based architectue
- Small core
- Everything else is built around as a plugin
Flexible
- Customize icon
- Customize error message
- Dynamic field
- Customize valid and invalid colors
- Enable, disable validators on the fly
- Customize error message location
Localization
39
Languages
41
ID validators
37
Vat validators
- Language packages for error message
- Support custom message
- Support custom validators
- Switch between locales
- Validate ID and VAT numbers in many countries
Declaring validation rules
Declare the validator options via HTML attributes
<
form
id
=
"
registrationForm
"
>
<
input
name
=
"
userName
"
data-fv-not-empty
=
"
true
"
data-fv-not-empty___message
=
"
The username is required
"
data-fv-string-length
=
"
true
"
data-fv-string-length___min
=
"
6
"
data-fv-string-length___message
=
"
The name must be more than 6 characters long
"
/>
form
>
Integration with your stack
14+
CSS frameworks
10+
JS frameworks
- Support native form
- Support popular CSS frameworks via plugins
- Support popular JavaScript frameworks
- Easy to integrate with a framework
Play nice with form libraries
- Autocomplete
- Color picker
- Custom checkbox
- Custom radio
- Date picker
- International telephone input
- Mask input
- Rich editor
- Select
- Star rating
- Tag input
- Time picker
- Toggle
- Wizard
Supported browsers
- Chrome
- Firefox
- Safari
- Opera
- Edge
- Internet Explorer 11
Happy customers
2.8k+
Developers
1.5k+
Designers
3.2k+
Teams
Validation plugin for Bootstrap from . Give it a try, looks great!
You saved my day
Be sure to check out Bootstrap Validator. It's the best I've found.
Money well spent. A must have plug-in if you use Bootstrap regularly.
Just grabbed FormValidation license. It's perfect for #bootstrap projects. Very worth.
Buy a license for . It's best tool I ever used.
Just bought a copy of formvalidation.io - looks extremely well built and is designed to work with bootstrap!
Awesome jQuery plugin for form validation https://formvalidation.io #jquery #FormValidation.
Wow, Its Very Awesome for Form Validation I Recommend use it <3
Just had a fantastic development experience with using and . You're a champion!
Fantastic support from . Several emails back and forth and completely sorted within a couple of hours
AMAZING solution and very declarative source code. This is TOP support! Keep on doing the good work. I became a fan!