Frequently Asked Questions

DevToolsHub is a comprehensive collection of 100+ free online developer tools designed to boost productivity. We offer tools for JSON processing, image conversion, code formatting, text manipulation, and much more. All tools work directly in your browser without requiring any downloads or installations.

Yes! All our developer tools are 100% free to use with no hidden costs, subscriptions, or usage limits. We believe in providing accessible tools for the developer community worldwide.

No account registration is required. You can access and use all our tools immediately without signing up. This ensures your privacy and provides instant access to the functionality you need.

Most of our tools work entirely in your browser using client-side processing, which means they can function offline once the page is loaded. However, some features may require an internet connection for optimal performance.

Absolutely! All our tools are designed with responsive layouts that work seamlessly on desktop, tablet, and mobile devices. You can access and use them from any device with a web browser.

Your data security is our top priority. Most tools process data entirely in your browser (client-side), meaning your information never leaves your device. For tools that require server processing, we never store or log your data, and all transmissions are encrypted.

No, we do not store, track, or retain any files you upload or process through our tools. All processing is done in real-time, and any temporary files are immediately deleted after processing.

We only collect anonymous usage analytics to improve our services (such as which tools are most popular). We do not collect personal information, file contents, or any data that could identify individual users.

We use minimal, essential cookies for basic functionality and anonymous analytics. You can manage your cookie preferences through our privacy settings. We do not use tracking cookies or share data with third parties.

Yes, we are fully GDPR compliant. We respect your privacy rights and provide clear options for managing your data preferences. You can access our detailed privacy policy for more information.

We support a wide range of formats including JSON, XML, YAML, CSV, various image formats (JPEG, PNG, WebP, GIF), text files, and many others. Each tool specifies its supported formats in the tool description.

For optimal performance, we recommend files under 10MB for most tools. Image processing tools can handle larger files, but processing time may increase. If you encounter issues with large files, try breaking them into smaller chunks.

Common JSON validation errors include: trailing commas, single quotes instead of double quotes, unescaped special characters, or missing closing brackets. Use our JSON Formatter tool which provides detailed error messages to help identify and fix issues.

Many of our tools support batch processing. Look for the "Add Multiple Files" or "Batch Process" option in supported tools. This feature is available for image conversion, text processing, and other applicable tools.

Most tools provide download buttons or copy-to-clipboard functionality. For text-based tools, you can select and copy the output. For file-based tools, use the download button to save the processed file to your device.

Our tools work on all modern browsers including Chrome, Firefox, Safari, and Edge. We recommend using the latest version of your preferred browser for the best experience and security.

If you encounter issues: 1) Refresh the page and try again, 2) Clear your browser cache, 3) Ensure JavaScript is enabled, 4) Try a different browser, 5) Check if your file format is supported. If problems persist, contact our support team.

Currently, our tools are designed for direct web use. However, many of the algorithms and techniques used in our tools are based on open-source libraries that you can integrate into your own applications.

We are currently developing API access for our tools. Join our newsletter to be notified when API access becomes available. In the meantime, all tools are accessible through our web interface.

We regularly add new tools based on user feedback and developer needs. Follow our blog or subscribe to our newsletter to stay updated on new tool releases and feature updates.