1. http://perchance.org — generates lists, names, stories, or anything random with custom logic
2. http://10015.io — over 120 tools in one site: text, images, code, SEO
3. http://transform.tools — converts code between languages instantly
4. http://tableconvert.com — converts any table (Excel, CSV, JSON, HTML, Markdown) to any format
5. http://shots.so — product mockups with a professional look in 10 seconds
6. http://explainshell.com — paste any terminal command and it explains what each part does
7. http://regex101.com — write and test regular expressions with real-time explanations
8. http://caniuse.com — checks if any CSS or JS feature works in all browsers
9. http://bundlephobia.com — before installing an npm package, see exactly how much it weighs
10. http://ray.so — turns code snippets into pretty images for sharing
11. http://carbon.now.sh — the same but with more themes and customization
12. http://htmlrev.com — captures any website as a high-resolution image
13. http://responsively.app — visualizes your design on all screen sizes at once
14. http://tinywow.com — over 100 free PDF, image, and video tools in one site
15. http://squoosh.app — compresses images without losing quality, right from the browser
16. http://remove.bg — removes the background from any image in seconds
17. http://cleanup.pictures — erases objects from photos as if they never existed
18. http://vectorizer.ai — converts any PNG or JPG image to vector SVG
19. http://tldraw.com — infinite canvas in the browser, no signup, with built-in AI
20. http://excalidraw.com — sketch-style diagrams that look hand-drawn
21. http://devdocs.io — all documentation for all languages and frameworks in one place
22. http://roadmap.sh — learning paths for any tech role, updated by the community
23. http://quickref.me — cheatsheets for over 400 technologies in one site
24. http://overapi.com — collection of API and language cheatsheets with everything on one page
25. http://coverview.dev — generates professional covers for your blog articles in seconds
They cost nothing.