mailmouse Alternatives

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla.

Validates HTML markup of web pages, one at a time.

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

Site-wide Accessibility and HTML validation made easy. With a single click, Rocket Validator will check thousands of web pages on your site for Accessibility and HTML conformance, producing a detailed, actionable report on seconds.

paid Free Trial $36.0 / Monthly (25,000 HTML checks/month, 1,000 docs/report, 5 requests/second)

Total Validator can check your website to help ensure that it is accessible, uses valid HTML and CSS, has no broken links, and is free from spelling mistakes.

Scrutiny for Mac helps you manage and improve any number of websites. Link check, search, full website spell check, XML sitemap generator, SEO audit

PageSpeed is addon for ...

The Fastest Way to Improve Email List Deliverability and ROI

Validate email addresses and avoid bounces

freemium $9.99 / Monthly (unlimited check)

4dots Free PDF Password Remover can remove a password from a PDF file.

Blazing fast, keyboard-driven, Apps and Web Apps launcher.

Plagiarism scanner that detects plagiarism in your text.

Check if an email exists without sending any email.

Open Source

Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.