Developer Toolbox

Free Online Tools for Web Professionals

Discover a growing collection of free online tools for developers, designers, marketers and creators. No registration required.

17+
Free Tools
4
Categories
100%
Free
Available Tools
17

Free Website Maintenance Cost Calculator – Estimate Your Support & Care Budget

WordPress

Accurately estimate the ongoing cost of website maintenance, security monitoring, backups, updates, and technical support. Get an instant, custom estimate tailored to your site's needs.

Updated 1 month ago
Free

Free Robots.txt Validator – Test & Verify Your Robots.txt

SEO

Instantly check your robots.txt file for syntax errors, broken links, and directive conflicts to ensure search engines crawl your site correctly.

Updated 4 weeks ago
Free

Video Sitemap Generator

SEO

Create Google-compliant Video XML sitemaps to get your videos indexed and featured in Google Video search results.

Updated 1 month ago
Free

Free Image Compressor & Resizer – Fast, Local & Private

Developer

Compress and resize JPEG, PNG, WebP, and SVG images directly in your browser. Reduce file sizes instantly without uploading data to any server.

Updated 1 month ago
Free

Free Online Base64 Encoder Decoder – Convert Text Instantly

Developer

Fast, secure, and developer-friendly online Base64 utility. Convert plain text to Base64 or decode Base64 strings with full UTF-8, URL-safe options, and instant copying.

Updated 1 month ago
Free

Free Image to WebP Converter – Fast, Local & Private

Developer

Convert PNG, JPG, and GIF images to high-efficiency WebP format directly in your browser. Reduce file sizes by up to 80% without losing quality • 100% Client-side privacy.

Updated 1 month ago
Free

Free Nginx Config Generator – Create & Optimize Online

SEO

Generate secure, high-performance Nginx server blocks instantly. Configure reverse proxy, SSL/TLS, security headers, caching, and redirects with zero coding required • 100% Client-side privacy.

Updated 1 month ago
Free

Free Favicon & App Icon Generator – Create Icons Online

Developer

Generate production-ready favicons, app icons, and web manifest assets instantly. No signup required • 100% Client-side privacy • Automatic HTML code included.

Updated 1 month ago
Free

Free Online JSON Formatter

Developer

The developer-friendly JSON tool for fast formatting, deep syntax validation, and visual tree navigation. 100% free and client-side secure.

Updated 1 month ago
Free

Free Robots.txt Generator – Create & Customize Online

SEO

Generates valid robots.txt files instantly • No signup required • Works for AI Bots as well

Updated 4 weeks ago
Free

Free Website Cost Calculator – Estimate Your Web Development Budget

WordPress

Accurately estimate the cost of building a website in seconds. Calculate expenses for design, development, hosting, e-commerce features, and ongoing maintenance without sales calls or guesswork.

Updated 1 month ago
Free

Meta Tags & Open Graph Generator

SEO

Optimize search snippets & social cards in seconds • No signup required • 100% valid Open Graph & Twitter Card protocols

Updated 1 month ago
Free

XML Sitemap Generator

SEO

Generate XML sitemaps instantly • Improve SEO and search engine crawling • No coding required

Updated 4 weeks ago
Free

WordPress Salt Keys Generator

WordPress

Generate secure WordPress Authentication Unique Keys & Salts instantly • Improve website security • No registration required

Updated 1 month ago
Free

Security Headers Generator

Security

Generate secure HTTP response headers instantly • Improve website security • No coding required

Updated 1 month ago
Free

Apache .htaccess Generator

SEO

Generate Apache .htaccess files instantly • Configure redirects, security & performance • No coding required

Updated 1 month ago
Free

wp-config.php Generator

WordPress

Generate a secure and optimized wp-config.php file instantly • No coding required • Built for WordPress developers

Updated 1 month ago
Free

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