validate.js by rickharrison
Lightweight JavaScript form validation library inspired by CodeIgniter.
About validate.js
From the project's README at github.com/rickharrison/validate.js. Lightly cleaned for readability; for the full source see the upstream repo.
validate.js is a lightweight JavaScript form validation library inspired by CodeIgniter. Features Validate form fields from over a dozen rules No dependencies Customizable Messages Supply your own validation callbacks for custom rules Chainable customization methods for ease of declaration Works in all major browsers, (even IE6!) Modeled off the CodeIgniter form validation API How to use Documentation
You can view everything at http://rickharrison.github.com/validate.js Browserify
jQuery: https://github.com/magizh/validate_helper Multi-Language Support
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 2.6k | github.com/rickharrison/validate.js |
| GitHub forks | 399 | github.com/rickharrison/validate.js |
| NPM downloads (last month) | 3977k | validate.js |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 14.6 years | since Oct 2011 |
| Last commit | 6.2 years ago | Mar 2, 2020 |
| Releases shipped | 3 | last: 10.9 years ago |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Security advisories
GHSA-rv73-9c8w-jp4c. Ready to self-host validate.js?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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