1. cobalt.tools — download any video from socials
2. photopea.com — Photoshop but completely free
3. temp-mail.org — disposable email in one click
4. tinywow.com — 100+ free tools in one site
5. archive.org — access any old webpage ever
6. libgen.li — millions of free textbooks
7. sci-hub.al — free research papers
8. alternativeto.net — find free app alternatives
9. justwatch.com — find where to stream anything
10. gutenberg.org — 70K free classic books
11. pdfdrive.com — free PDF downloads
12. openculture.com — free courses from top unis
13. wolframalpha.com — solve any math instantly
14. remove.bg — remove backgrounds in one click
15. cleanup.pictures — erase objects from photos
16. unscreen.com — remove video backgrounds free
17. squoosh.app — compress any image free
18. excalidraw.com — hand drawn diagrams free
19. carbon.now.sh — turn code into beautiful art
20. ray.so — stunning code screenshots
21. flightradar24.com — track any flight in real time
22. camelcamelcamel.com — track Amazon price history
23. haveibeenpwned.com — check if you were hacked
24. virustotal.com — scan any file for malware
25. privnote.com — send self destructing messages
26. file.io — share files that auto delete
27. archive.ph — save any webpage forever
28. accountkiller.com — delete yourself from any site
29. radio.garden — listen to any radio worldwide
30. tunefind.com — find songs from any show
31. musicforprogramming.net — music to focus with
32. mynoise.net — custom focus soundscapes
33. annasarchive.org — search every book ever written
34. elicit.com — AI research paper assistant
35. consensus.app — search what science agrees on
36. connectedpapers.com — map research visually
37. semanticscholar.org — free academic search
38. scispace.com — understand any research paper
39. summarize.tech — summarize any YouTube video
40. phind.com — AI search for developers
41. regex101.com — test any regex instantly
42. codebeautify.org — format any code cleanly
43. explainshell.com — understand terminal commands
44. tldraw.com — infinite whiteboard in browser
45. downdetector.com — check if any site is down
46. tineye.com — reverse image search
47. fast.com — check your internet speed
48. smallpdf.com — edit PDFs free
49. ilovepdf.com — merge and split PDFs
50. 10minutemail.com — temp email in seconds