Filesize.js: Format Bytes as Readable File Sizes
Format byte values as readable kB, MB, KiB, and MiB labels with filesize.js. Supports SI, IEC, JEDEC, locale formatting, and npm setup.
Javascript
Ultra-light WYSIWYG Rich Text Editor – Tex.js
Add rich text editing capabilities to your web app with TEX – an easy-to-use JavaScript library for WYSIWYG editors.
Form Wizard UI With Step Navigation – Wizard-JS
A Vanilla JavaScript library that converts form groups into a user-friendly wizard UI with field validation integrated.
Qrono: JavaScript Date Manipulation with DST Support
Handle date-only values, immutable date math, UTC parsing, and DST transitions with the Qrono JavaScript library.
ThumbmarkJS: Client-Side Browser Fingerprinting in JavaScript
Generate client-side browser fingerprints from device, rendering, and browser signals for visitor recognition and abuse checks.
JavaScript Library For Parsing, Formatting and Validating Phone Numbers – front.phone
front.phone is an easy yet useful JavaScript library used for identifying, formatting and validation phone numbers.
Fuzzy Search & Autocomplete Library For JavaScript – fuzzy-search
Add fast fuzzy search to JavaScript apps. fuzzy-search indexes objects and returns ranked prefix, substring, and typo-tolerant matches.
Vanilla JavaScript Form Validation with Custom Rules and Messages – js-validation
Validate HTML forms on the client side with js-validation, a dependency-free JavaScript library with rules, custom messages, and submit callbacks.
Developer-Friendly Toast Alerts in JavaScript – Toast-JS
A developer-friendly JavaScript library for adding success, error, info, or custom toast notifications in your web apps.
Handling Timezone In JavaScript – Spacetime
Spacetime is a pure JavaScript library used to manipulate, traverse, compare, and format dates and times across planet Earth.