Prepros

Prepros can compile almost all preprocessing languages like Sass, Less, Stylus, Cssnext, Jade/Pug, Markdown, Slim, Coffeescript, etc. Forget black screen full of millions of unreadable errors. Prepros reloads your web browser automatically every time you save a file in the code editor. The tool can minify and optimize CSS, javascript & images with just one click. Prepros can export files ready for deployment or It can just upload all the files via FTP or SFTP for you. The app comes with Dark and Light UI themes!

JS Concatenation
Concatenate and combine javascript files to reduce Http requests.

File Minification
Minify & Uglify files with ease to reduce bandwidth and load time.

Image Optimization
Losslessly optimize images to reduce bandwidth and load time.

Network Preview
It has a built-in service that can help preview your site on multiple devices like phones and tablets.

Browser Sync
Pre pros synchronize browsers across multiple devices for easier testing.

Scroll Sync
Cross-browser synchronized scroll in real-time. No complicated setup.

Click Sync
Synchronize clicks and other mouse events in real-time.

Form Sync
Synchronize user input such as forms and other keyboard events in real-time.

Remote Inspect
It has Chrome DevTools like an inspector to remotely inspect & debug devices.

Note: Prepros trial is unlimited but it pops up a trial dialog on startup and at some time interval.

Also Available: Download Prepros for Mac