50 legendary websites that feel like the internet’s hidden toolbox

1. http://unpaywall.org — free research papers
2. http://sci-hub.se — papers when unpaywall misses
3. http://openlibrary.org — borrow books
4. http://gutenberg.org — 70k+ free books
5. http://coursera.org — audit university courses free
6. http://wolframalpha.com — step-by-step math
7. http://remove.bg — background removal
8. http://cleanup.pictures — object removal
9. http://tinywow.com — quick file tools
10. http://ilovepdf.com — PDF merge/split
11. http://photopea.com — free Photoshop alternative
12. http://squoosh.app — image compression
13. http://excalidraw.com — fast diagrams
14. http://carbon.now.sh — beautiful code screenshots
15. http://regex101.com — test regex
16. http://jsonformatter.org — clean JSON
17. http://explainshell.com — terminal commands explained
18. http://alternativeto.net — software alternatives
19. http://haveibeenpwned.com — breach check
20. http://10minutemail.com — temp email
21. http://privnote.com — self-destruct notes
22. http://radio.garden — live global radio
23. http://endel.io — focus sound
24. http://mynoise.net — custom ambient
25. http://justwatch.com — where to stream
26. http://archive.org — digital library
27. http://web.archive.org — old web pages
28. http://similarweb.com — site traffic
29. downtimerobot — uptime check
30. http://pagespeed.web.dev — speed test
31. http://tinypng.com — compress images
32. http://cloudconvert.com — file conversion
33. http://diffchecker.com — compare text
34. http://temp-mail.org — disposable inbox
35. http://obfuscator.io — JS obfuscate
36. http://keybr.com — typing practice
37. http://monkeytype.com — typing test
38. http://ankiweb.net — spaced repetition
39. http://notion.so — all-in-one notes
40. obsidian.md — local knowledge base
41. http://raindrop.io — bookmark manager
42. http://todoist.com — task list
43. http://trello.com — boards
44. http://miro.com — whiteboard
45. http://figma.com — design
46. http://canva.com — quick graphics
47. http://remove.bg — again because it’s that good
48. yt-dlp — video download (open source)
49. http://handbrake.fr — video compress
50. http://localsend.org — local file transfer