Knowledge that
speeds up your web.
Guides and practical tips on optimizing pages, images, and SEO. All in the context of our tools - no theory, just concrete steps.
08 / 08
Burstiness and Perplexity: What Actually Gives Away AI Text
AI detectors don't count em-dashes - they measure burstiness and perplexity. Here's how they work and why swapping words won't fool them.
04 / 10
Copying ChatGPT text into Google Docs? You're losing formatting - here's how to fix it
ChatGPT outputs Markdown, Google Docs doesn't understand it. Markdown Formatter translates one format into the other - one click, 100% in the browser.
04 / 06
Free PDF tools online - 7 functions in one, without uploading files
Merge, split, compress, crop PDFs, convert images, fill forms and add signatures - all in the browser.
03 / 31
GEO - How to optimize a site for AI search engines? 2026 guide
Generative Engine Optimization - how to make your page show up in answers from ChatGPT, Perplexity and Gemini. With code examples.
03 / 25
How to speed up image loading on a site? Complete AVIF guide
Find out why AVIF is the best image format in 2026 and how to convert images without losing quality.