Convert Case is a free, browser-based toolkit offering 100+ utilities for working with text, images, and code. No account, no install - just open a tool and get the job done.

Text tools

Reformat any text into your desired capitalization style instantly - UPPERCASE, lowercase, Title Case, sentence case, camel case, snake_case, kebab-case, and more. Also includes string reversal, word counting, whitespace cleaners, and other everyday text transformations.

Image tools

Quickly process and convert images without leaving your browser. Resize, crop, convert between formats, and apply common adjustments without needing desktop software.

Code tools

Developer-focused utilities for encoding, decoding, formatting, and transforming code and data -- including Base64, JSON formatters, URL encoders, and more.

Why people use it

Writers, developers, students, and content creators reach for Convert Case when they need a quick, reliable utility without the overhead of a full app. With 100+ tools in one place, it replaces a scattered collection of bookmarks with a single destination.

Key benefits

• 100+ tools across text, image, and code categories
• Entirely free with no sign-up required
• Runs in the browser - your data stays on your device
• Clean, fast, and distraction-free

Swapstack is the self-serve newsletter marketing platform that lets you sponsor countless independent newsletters (like Flipboard) without the added stress of emails and logistics.

Choose between a CPA or PPC model and work with up to 1,000 publishers at once! Plus, enjoy a streamlined sponsorship process that eliminates back-and-forth with the publisher, making it a win/win for both sides and getting your sponsorships out in the world with minimal turnaround time.

For brands, Swapstack makes it easy to create custom sponsorships and connect with publishers via a simple chat box. And for publishers, Swapstack lets you monetize your work and connect with sponsors, whether you're looking for immediate opportunities via the affiliate network, the PPC tool or more bespoke arrangements, Swapstack facilitates it all.

Sponsorships can either be one-off, recurring or always on depending on the approach you take. For maximum exposure, a combination of CPA and PPC tools are recommended!

With 60 million audiences and 1,000+ publishers, Swapstack's innovative ad-tech is a win-win for everyone!

Pricing: Swapstack operates on a paid-first policy so while it's free to browse, any sponsorships that happen will incur a small %-based fee of the final spend.