Free Online Tool Categories
Browse tools by category for free online: it groups every tool into clear categories like image or text. Nothing to install, nothing to sign up for.
Choose a category to quickly find the right tool for your workflow.
Encoder Tools
Base64, JWT, URL, HTML, Hex, Binary, ASCII, JSON, Base32, ROT13 and Morse tools.
Hash and Security Tools
SHA-256, MD5, and secure password generation tools.
PDF Utilities
PDF to image conversion tools including PNG, JPG and WebP.
Image Utilities
Visual utilities including QR code generation workflows.
Text and Time Utilities
Word counting and timestamp conversion utilities.
Browse Maria Stella Tech Tools by Category
Organized Category Hubs
Jump straight to encoder, image, PDF, hash, or text utilities through dedicated hub pages built for common workflows.
Fast Tool Discovery
Each category groups related converters and utilities so you can find the right browser tool without searching the full site map.
Privacy-First Local Tools
Every category links to free utilities that run locally in your browser with no uploads and no registration required.
Frequently Asked Questions
Are these tool categories free to use?
Yes. All categories and linked tools are free online with no registration or installation.
Do these tools upload my files?
No. Tools in these categories are designed for privacy-first browser processing whenever possible.
Which categories are available?
This page links to encoder, security, PDF, image, and text or time utility hubs covering the full WebTools collection.