Javascript Validator

Online Javascript Validator validates javascript code and find errors and warnings that can be fixed. See real time validation of your javascript code as you type.

We have listed more than 10 alternatives to Javascript Validator. You can find them below. The top competitors are: CodeFactor.io, JSLint, and Codacy. Apart from the top ones, people also compare Javascript Validator with textlint, Coala, and Source-Navigator NG.

Javascript Validator Alternatives & Competitors

The best Javascript Validator alternatives based on verified products, community votes, reviews and other factors.
Filter: 5 Open-Source Alternatives. EU Alternatives. Latest update: 2025-11-10.

#Code Coverage #Code Quality #Code Analysis #Static Code Analysis

5

CodeFactor.io

↔ Javascript Validator

Automated Code Review for GitHub & BitBucket.

Key CodeFactor.io features:

Real-time Code Review Integration with Popular Platforms Detailed Reports Automated Code Review

/codefactor-io-alternatives
5

JSLint

↔ Javascript Validator

JSLint is a JavaScript program that looks for problems in JavaScript programs.

Key JSLint features:

Code Quality Early Error Detection Strict Enforcement Education

Open Source

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Featured

✓ Wallat.id

↔ Javascript Validator

Turn every handshake into a tracked lead. Native wallet passes for Apple, Google & Samsung. Auto-generated profile website on first publish. Heatmaps, session replay & engagement scoring built in.

Key Wallat.id features:

Core Features Analytics and Reporting Engagement Features Teams

Try for free freemium

Try for free
4

Codacy

↔ Javascript Validator

Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

Key Codacy features:

Comprehensive Code Analysis Supports Multiple Languages Integration with CI/CD Pipelines Customizable Analysis

Open Source

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5

JSHint

↔ Javascript Validator

New JSHint website. Anton Kovalyov Oct 1st, 2013. For the last couple of weeks I've been working on a new homepage for JSHint and today I'm proud to announce the new jshint. com! JSHint Website.

Key JSHint features:

Customization Community Support Real-time Feedback Integration

Open Source

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3

ESLint

↔ Javascript Validator

The fully pluggable JavaScript code quality tool.

Key ESLint features:

Customization Extensibility Community Support Integrations

Open Source

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4

Coala

↔ Javascript Validator

Linting and fixing code for all languages.

Open Source

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4

textlint

↔ Javascript Validator

The pluggable linting tool for text and markdown.

Open Source

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3

ale

↔ Javascript Validator

Asynchronous Lint Engine.

Key ale features:

Asynchronous Linting Wide Language Support Passive Mode Editor Integration

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2

Prettier

↔ Javascript Validator

An opinionated code formatter.

Key Prettier features:

Consistency Time-saving Integrations Language Support

Open Source

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3

HTML-Cleaner.com

↔ Javascript Validator

Lets you clean up your HTML / CSS / Javascript code so its more concisely formatted.

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2

SideCI

↔ Javascript Validator

SideCI is static code analysis Continous Integration service. Driven by GitHub Pull Requests, Analyze And Comment Violation Automatically. Supports Ruby, PHP, and JavaScript.

Key SideCI features:

Automation Multi-language Support Seamless Integration Customizable Configuration

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