Green tools and know how

You want to work in a greener and more sustainable way? Check out the listed tools and feel free to send me your own recommendations. None of the listed tools is paid advertisement.

Woman working at desk

Sustainability analysis

Website carbon

One of my favorite tools to analyze the impact of websites in relation to the CO2 emission.


An amazing tool that gives you advice on what to do for a greener website.

Pagespeed Insights

A Google tool to check things you can do to improve your page speed. Very detailed.

"Green Web" browser add on

Check if websites are hosted green right where you browse


Extremely useful to check your current page load and page speed plus super helpful tipps.

Images and videos


The image compression tool I use the most. You can compress 500 images/month for free and it is super easy to use.


A desktop tool for Mac (or a pay web version) with a lot of image features and great results.

Smush WordPress plugin

THE WP plugin for image compression, lazy load and all kinds of other useful features which is highly rated from thousands of users.

RIOT Optimizer

The Radical Image Optimization Tool is a desktop tool in which you can compress tons of different image formats. Really neet.


The tool compresses PNGs and JPEGs and is also very popular. You can add up to a pro plan or buy their photoshop plugin.


You want to compress videos? Handbrake is a small and super simple to use desktop tool with awesome results.

Office and communications

Videoconferencing with Fairmeeting

Video chat with Jitsi on basis of the fairmeeting servers. This way it's green and your data is secure. Best for small groups.

Faircloud (in German)

Green and fair cloud service that has a free starter package and additional options.


The open source messaging tool is a great alternative to Slack, Microsoft teams and others. Plus, it comes with great data security.

Lamapoll (in German)

Create polls that are green and data secure. Up to 50 participants per poll are free.

Video conferencing with BigBlueButton

Start bigger video conferences with BigBlueButton in combination of fairteaching as hoster. Best for big groups.


Switch from paper post-its to digital ones. Work as a team on whiteboards, with post-it's, mind maps, kanban boards and more.


Mostly known by data security passionists this tool has cloud, document, kanban board and other features to offer.


Self-hosted data secure productivity tool with everything an office needs with cloud, data and messaging options.


Another workspace for visual collaboration and reduction of real life post-its and paper trash.


Plant trees while searching the world wide web. Thousands of trees are planted already and the search is getting better and better! Love it!

Web analytics

Cabin Analytics

Very low footprint, high data security, no cookies web analytics tool. It's designed very well and also tells you your CO2 emissions per page.

Koko Analytics

WordPress plugin that has very high standards on data security. With the plugin you can analyse your pages right within your WordPress backend.


Font Squirrel

Optimize your DIY fonts with the tool and reduce the size immensely. Check out the Mightybites article about fonts for more cool info.


Add the lazysizes script to your pages and let offscreen images load only when they are needed.

CSS/JS compressors

I don't have experience myself with those, but you can try JSMin (JS), Closure compiler (JS), YUICompressor (JS and CSS), AjaxMin (JS and CSS),  CSSTidy (CSS), Minify (CSS), CSSCompressor (CSS)

You want your own website to be green?

There are a few steps to take that really don’t hurt and are done pretty quickly. Start with eco hosting and then go further. Or start with compressing all your images. I’m happy to support you on that journey! Why? Because I want the internet to be less of an energy eating monster and more of a loving network. For the planet and our climate.

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Questions? Feedback? Let's have a chat!

Whether it’s networking or planing on working together for a project – I’m happy to hear from you! Hit me up with a message or schedule a call.