remove.bg – Remove image backgrounds (free)
tinywow.com – A ton of useful tools (PDF, video, more)
archive.org – Explore the Wayback Machine
photopea.com – Free online Photoshop alternative
12ft.io – Bypass paywalls (when possible)
printfriendly.com – Clean up and save web pages as PDF
justtherecipe.com – Get only the recipe (no extra stuff)
unsplash.com – High quality free photos
remove-metadata.com – Strip metadata from files
pdf24.org – Merge, compress, convert PDFs (free)
futureme.org – Write a letter to your future self
haveibeenpwned.com – Check if your accounts were leaked
wolframalpha.com – Answer almost any question
temp-mail.org – Temporary email addresses
bugmenot.com – Find logins for non-critical sites (when available)