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SuperDev Pro VS ValidateHTML

Compare SuperDev Pro VS ValidateHTML and see what are their differences

SuperDev Pro

14-in-1 browser extension developers and designers love.

Rating
0 reviews
Pricing
Freemium $60 / One-off
Alternatives Is it good?
ValidateHTML

Free HTML, CSS, JSON & XML validator with 12 tools and instant quality scores from 0 to 100.

Rating
0 reviews
Pricing
Free
Alternatives Is it good?
EcomIQX
EcomIQX scores every product in your catalog on content health, keyword coverage and AI search visibility, then rewrites the weak ones in your brand voice. sponsored

Which is more popular?

Based on our record, SuperDev Pro seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
1 vs 0
Developer Tools popularity
95% vs 5%
alternatives listed
179 vs 6

Base details

Website, pricing, platforms and company facts side by side.

SuperDev Pro
ValidateHTML
Website superdevpro.com validatehtml.com
Pricing
Freemium $60 / One-off Official pricing
Free
Platforms
Google Chrome Edge Brave
—
Company 2022 Startup from France · 1 - 9 employees · 2026
Listed in
Developer Tools Debugging Chrome Extensions Development Website Design Web Development Tools Browser Extensions +4
Developer Tools Webdev Code Quality Web App SEO Tools Website Monitoring +3

About SuperDev Pro and ValidateHTML

In their own words, as submitted to SaaSHub.

SuperDev Pro
ValidateHTML

SuperDev Pro is a 14-in-1 browser extension 🧩 that helps developers and designers find and fix UI issues on any website 3x faster, used by 6000+ professionals around the world to ship world-class websites.

Read more about SuperDev Pro

ValidateHTML is a free suite of 12 web validation tools in one place. Paste code or enter a URL to validate HTML, CSS, JSON, XML, check meta tags, Open Graph data, accessibility, robots.txt, and more. Every validation returns a quality score from 0 to 100 so you know exactly where you stand. No...

Read more about ValidateHTML

Features and specs

What each product offers, as listed by its team.

SuperDev Pro 14 features
ValidateHTML 12 features
  • CSS Inspector
    Easily inspect or edit CSS
  • Live Text Editor
    Test new texts in a blink
  • Fonts Changer
    Effortless font switching
  • List All Fonts
    Font details at fingertips
  • Color Picker
    Precise color selection
  • Color Palette
    Explore website colors
  • Move Element
    Move elements with ease
  • Delete Element
    Delete or hide elements
  • Export Element
    Export favorite elements
  • Extract Images
    Extract images in a click
  • Page Ruler
    Measure with precision
  • Page Outliner
    Visualize HTML structure
  • Image Replacer
    Swap images seamlessly
  • Take Screenshot
    Screenshots in a snap
  • HTML Validator
    Check errors, warnings, and best practices
  • CSS Validator
    Validate stylesheets and catch syntax errors
  • JSON Validator
    Validate and format JSON with error detection
  • XML Validator
    Check XML syntax and well-formedness
  • Meta Tag Checker
    Verify title, description, viewport, charset
  • Open Graph Checker
    Check OG tags with social media preview
  • Accessibility Checker
    Detect WCAG and accessibility issues
  • Robots.txt Checker
    Analyze crawl rules and verify sitemaps
  • HTML Formatter
    Beautify or minify HTML code
  • Quality Score
    Grade from 0 to 100 with A-F rating
  • Export PDF
    Download validation reports as PDF
  • No Signup Required
    100% free, no account needed

Analysis

An editorial look at what each product does well and who it suits.

SuperDev Pro
ValidateHTML

No analysis of SuperDev Pro yet.

Overall verdict

  • ValidateHTML.com appears to be a lightweight, browser-based HTML validation tool that helps developers quickly check their markup for syntax errors and standards compliance without needing to install software or use complex configurations. It's a practical utility for basic validation needs, though it may lack the depth of features found in more established validators like the W3C Markup Validation Service.

Why this product is good

  • Provides quick and easy HTML validation directly in the browser
  • No installation or setup required, making it accessible for quick checks
  • Helps identify syntax errors and potential issues in HTML code
  • Free to use for basic validation tasks
  • Simple interface that's easy to navigate for users of all skill levels

Recommended for

  • Beginner web developers learning HTML syntax and best practices
  • Developers needing quick, on-the-fly validation without switching tools
  • Students working on web development coursework or projects
  • Freelancers or small teams without access to premium validation suites
  • Anyone troubleshooting basic HTML rendering issues

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
SuperDev Pro
ValidateHTML
95% 95%
Developer Tools
5% 5%
100% 100%
Design Tools
0% 0%
0% 0%
Code Quality
100% 100%
100% 100%
Chrome Extensions
0% 0%

Questions & Answers

As answered by people managing SuperDev Pro and ValidateHTML.

What makes your product unique?

ValidateHTML's answer:

12 validation tools in one place with an instant quality score from 0 to 100. No signup, no limits, completely free. Paste code or enter a URL and get results in seconds.

Why should a person choose your product over its competitors?

ValidateHTML's answer:

Instead of opening 5 different tabs (W3C for HTML, JSONLint for JSON, separate tools for meta tags, Open Graph, accessibility), ValidateHTML combines everything in one interface. Plus you get a quality score that tells you exactly where you stand.

How would you describe the primary audience of your product?

ValidateHTML's answer:

Web developers, frontend engineers, and SEO specialists who need to validate code quality before deploying. Also useful for freelancers and agencies managing multiple client sites.

What's the story behind your product?

ValidateHTML's answer:

I was tired of opening 5 or 6 different tabs every time I needed to validate my code before deploying. W3C for HTML, JSONLint for JSON, random sites for meta tags. So I built one tool that does everything, with a quality score to instantly know where you stand.

Which are the primary technologies used for building your product?

ValidateHTML's answer:

Next.js, React, TypeScript, Tailwind CSS, deployed on Vercel.

Who are some of the biggest customers of your product?

ValidateHTML's answer:

Independent web developers, Freelance frontend engineers and Small web agencies.

User comments

Share your experience with using SuperDev Pro and ValidateHTML. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

SuperDev Pro 1 mention
ValidateHTML 0 mentions
  • My Micro Portfolio made $7,225(+23%) in September
    A chrome extension of 17 tools(https://superdevpro.com) in one and my plan to add 30+ tools by this year. - Source: Hacker News / about 1 year ago

Tracking ValidateHTML since Mar 2026.

Alternatives to SuperDev Pro and ValidateHTML

When comparing SuperDev Pro and ValidateHTML, you can also consider the following products.

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