Stefan Petri

Together with his brother Matthias, Stefan Petri runs the popular specialist forum PSD-Tutorials.de and the e-learning platform TutKit.com, which focuses on the training and further education of digital professional skills.

Stefan Petri – your author for Adobe Photoshop , Adobe InDesign , Adobe Illustrator , Vector programs , Serif Affinity Designer , Serif Affinity Photo , Adobe Photoshop Elements , GIMP , Adobe Fresco , Corel PaintShop Pro , Blender , DaVinci Resolve , Adobe Acrobat Pro , Adobe After Effects , Maxon Cinema 4D , CorelDRAW , Microsoft Excel , Adobe Lightroom Classic , HTML & CSS , php , WordPress , Adobe Lightroom

To website: 4eck-media.de/

So far published

Next Level Content: Images and videos with AI power from ChatGPT & Sora

Go to content To Create AI Images & Videos: ChatGPT & Sora Course

Create AI Images & Videos: ChatGPT & Sora Course

The Sora & ChatGPT Master Course: Your Guide to AI Content Creation

1 hour 16 minutes

Gemini Crash Course: Become an AI Genius with Just a Few Clicks

Go to content To Gemini: Your smart AI butler for more time!

Gemini: Your smart AI butler for more time!

Not just for nerds: Your relaxed introduction to the world of Gemini!

1 hour 16 minutes

Perplexity.ai explains: How to research faster and better

Go to content To Perplexity: The AI answer machine for fast & precise research

Perplexity: The AI answer machine for fast & precise research

Answers instead of searching. That's how research works today.

48 minutes

Claude AI unleashed: Your practical training for creative and professional breakthroughs

Go to content To Claude AI: More than just chatting – The Professional Course

Claude AI: More than just chatting – The Professional Course

How you can revolutionize your daily work with practical projects and clever prompt strategies to achieve impressive results.

1 hour 12 minutes

NotebookLM: Research tool with podcast feature

Go to content To NotebookLM Tutorial: Basics, Audio & Pro Hacks

NotebookLM Tutorial: Basics, Audio & Pro Hacks

From texts, insights are gained

36 minutes

Photoshop workshop DVD - Effects for typo, layout & photo - Vol. 2 (free)

free of charge

Go to content To Typo, layout and effects in Photoshop

Typo, layout and effects in Photoshop

More style, more power, more templates!

17 hours 9 minutes

Photoshop Workshop DVD - Effects for typography, layout & photo - Vol. 1 (free)

free of charge

Go to content To Photoshop Workshop: Photo Editing, Effects

Photoshop Workshop: Photo Editing, Effects

Full power, more inspirations, maximum WOW effect!

23 hours 19 minutes

Excel: Tips & Tricks - 40 ingenious best-of-hacks for effective work

Go to content To Excel: Tips & tricks | 40 best-of hacks for effective working

Excel: Tips & tricks | 40 best-of hacks for effective working

Faster results in your tables

1 hour 15 minutes

Go to content To Clipping with Photoshop Elements (Tutorial)

Clipping with Photoshop Elements (Tutorial)

Neatly cut out!

1 hour 46 minutes

AI in Photoshop: Next-level image editing with artificial intelligence

Go to content To AI in Photoshop: Image editing with artificial intelligence

AI in Photoshop: Image editing with artificial intelligence

Adjust your knowledge to AI!

2 hours 42 minutes

Adobe Firefly (Tutorial): create spectacular images with generative AI

Go to content To Adobe Firefly (Tutorial): Creating images with generative AI

Adobe Firefly (Tutorial): Creating images with generative AI

Understand & apply effectively

3 hours 43 minutes

Sharpening images with & without AI - against pixelated, blurred photos

Go to content To Sharpen images with AI to combat pixelated, blurred photos

Sharpen images with AI to combat pixelated, blurred photos

Little effort. Sharp results.

1 hour 22 minutes

Crop with Photoshop and AI - cut out motifs quickly and precisely

Go to content To Crop with Photoshop & AI: Cut out motifs with hairline precision

Crop with Photoshop & AI: Cut out motifs with hairline precision

Free yourself from tedious manual labor!

1 hour 23 minutes

Remove people & distracting objects from images - Photoshop, DALL-E and other AI tools

Go to content To Removing people & objects from images with Photoshop & Co

Removing people & objects from images with Photoshop & Co

Just a few clicks. Convincing results.

1 hour 1 minute

Enlarge images and photos without loss of quality with Photoshop and AI

Go to content To Enlarge images & photos without loss of quality: Photoshop & AI

Enlarge images & photos without loss of quality: Photoshop & AI

Saving images and making them printable

1 hour 49 minutes

Removing image noise: Photoshop, Lightroom and impressive alternatives (tutorial)

Go to content To Removing image noise: Photoshop, Lightroom, AI tools

Removing image noise: Photoshop, Lightroom, AI tools

For intoxicatingly denoised photos

1 hour 13 minutes

Improve audio recordings: Sound editing for reverb, hiss and other background noise

Go to content To Improve audio recordings: Sound editing, reverb, noise

Improve audio recordings: Sound editing, reverb, noise

Listen to yourself carefully!

2 hours 8 minutes

ChatGPT: What AI can do. How it helps you with texts, codes, SEO and Excel

Go to content To ChatGPT training: what AI can do - texts, codes, SEO ...

ChatGPT training: what AI can do - texts, codes, SEO ...

A tool for more effective work

2 hours 57 minutes

Affinity Photo training: over 30 best-of hacks for photo editing

Go to content To Affinity Photo training: 30 best-of hacks for photo editing

Affinity Photo training: 30 best-of hacks for photo editing

A few clicks. Great pictures.

2 hours 2 minutes

Midjourney tutorial: How the AI creates spectacular images for you

Go to content To Midjourney tutorial: AI creates images for you

Midjourney tutorial: AI creates images for you

Artificial intelligence in practice

2 hours 54 minutes

Blog posts

Go to content To AI-Generated Merch Designs: From Midjourney & Adobe Firefly to Your Own Collection

AI-Generated Merch Designs: From Midjourney & Adobe Firefly to Your Own Collection

How to use AI image generators, professionally post-process your artwork, and prepare it print-ready for Print-on-Demand

June 2, 2026

Go to content To Publish guest posts (including content creation & reach)

Publish guest posts (including content creation & reach)

Publish guest posts with expert content creation, real audience reach, strong backlinks & lasting visibility across trusted platforms

April 23, 2026

Go to content To My favorite AI features in Photoshop

My favorite AI features in Photoshop

Photoshop AI features: Generative Fill and Extend for image editing. Create, remove, or extend content using text commands (prompts).

November 12, 2025

Go to content To The 10 best midjourney alternatives - many even free of charge

The 10 best midjourney alternatives - many even free of charge

Discover the top 10 Midjourney alternatives, many of which are even free! Find the perfect solution for your image creation.

September 11, 2023

Go to content To Clipfly in test: How good is the free AI video generator really?

Clipfly in Test: How good is the free AI video generator really?

Clipfly in review: Is this free AI video generator really a hit? Find out if it's worth your time and how easily you can create great videos!

July 23, 2025

How to create product images similar to those in insMind Studio

Go to content To How to create product images similar to insMind studio

How to create studio-like product images with insMind

Create studio-like product images easily with insMind – perfect for online shops, advertising, and social media.

May 8, 2025

Go to content To Christmas greetings short & funny - The top 40 of our best Christmas wishes

Christmas greetings short & funny - The top 40 of our best Christmas wishes

Discover the 40 funniest and shortest Christmas greetings that are guaranteed to bring a smile! Perfect for friends and family.

August 12, 2024

Go to content To Handout: Template, Tips & Presentation

Handout: Template, Tips & Presentation

Create effective handouts: tips, templates, and presentation techniques for clear and concise support of your speeches and presentations.

July 12, 2024

Go to content To Download map of Germany with all federal states for free.

Download a map of Germany with all federal states for free.

Free map of Germany with states for download - perfect for school, work, and leisure! Get your map for free now!

July 10, 2024

Go to content To Saying thank you: Small gestures, big impact.

Saying thank you: Small gestures, big impact

A simple thank you can work wonders. Discover how you can show gratitude in everyday life, at work, and in relationships.

July 4, 2024

Go to content To Earning money online and offline: 24 quick and effective methods

Earning money online and offline: 24 quick & effective methods

Discover 24 quick and easy ways to earn money online and offline. Flexible options for your everyday life.

July 1, 2024

Go to content To Internet & DSL Speedtest: the five best online services (for free)

Internet & DSL Speedtest: the five best online services (free)

Test your internet speed for free with the 5 best online speed test services for DSL, fiber optics, and more.

June 11, 2024

Go to content To Christening sayings: Top 70 christening congratulations - modern, classic and inspiring

Christening sayings: Top 70 christening congratulations - modern, classic and inspiring

Baptism sayings: Congratulations on your baptism with a careful selection of modern, classic and inspiring baptism sayings

May 31, 2024

Go to content To Love sayings: Top 200 beautiful & short sayings for him and her

Love sayings: Top 200 beautiful & short sayings for him and her

Discover the best 200 love sayings: Beautiful and short sayings for him and her. Perfect for any occasion to express love.

May 29, 2024

Go to content To Sayings for saying goodbye to a colleague: 120 of our best farewell sayings

Sayings for saying goodbye to a colleague: 120 of our best farewell sayings

Farewell sayings for colleagues: Discover our best, funniest and most inspiring sayings for saying goodbye to colleagues and wish them all the best!

May 28, 2024

Go to content To Beautiful sayings: short & long words of wisdom with lots of pictures

Beautiful sayings: short & long words of wisdom with lots of pictures

Beautiful sayings: short & long words of wisdom with lots of pictures. Discover inspiring quotes and wisdom for every occasion!

May 27, 2024

Go to content To Writing funeral cards: Condolence texts, tips and beautiful mourning sayings

Writing funeral cards: Condolence texts, tips and beautiful mourning sayings

Learn how to write sensitive bereavement cards to express sympathy and offer comfort. You can find tips, examples and beautiful mourning sayings here.

May 24, 2024

Go to content To Get well soon: Top 160 get well wishes

Get well soon: Top 160 get well wishes

Get well soon: Discover the best 160 get well wishes and sayings for a speedy recovery. From funny to sentimental, it's all here!

May 23, 2024

Go to content To Sayings to think about feelings: Top 180 words of wisdom

Sayings to think about feelings: Top 180 words of wisdom

Discover 180 profound sayings and words of wisdom about feelings, accompanied by inspiring pictures. Perfect for reflection and sharing.

May 23, 2024

Go to content To Good night greeting - The top 150 of our funniest & most beautiful sayings just before falling asleep (for WhatsApp)

Good night greeting - The top 150 of our funniest & most beautiful sayings just before falling asleep (for WhatsApp)

Check out the top 150 funniest and most beautiful good night sayings for WhatsApp. 🌟 Perfect greetings for a smile before falling asleep 😊

May 22, 2024