Bitwarden Password Generator
bitwarden.com
Generates a random password or passphrase without leaving the page
No sign-upOn device
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Check, clean, encrypt and reduce your exposure.
bitwarden.com
Generates a random password or passphrase without leaving the page
coveryourtracks.eff.org
Measures how uniquely identifiable your browser is to a tracker
dnsleaktest.com
Reveals which DNS servers are actually resolving your queries right now
haveibeenpwned.com
Tells you which data breaches your email address has turned up in
jimpl.com
Shows the hidden EXIF in a photo, including GPS, and gives you a stripped copy
justdeleteme.xyz
A directory of the direct links for deleting your account on hundreds of sites
privatebin.net
Shares a note or snippet that encrypts in your browser and expires on schedule
tosdr.org
Summarises a service's terms into the handful of clauses that actually affect you
urlscan.io
Opens a suspicious URL in a sandbox and shows you everything the page loaded
useapassphrase.com
Generates a word-based passphrase and shows how long it would take to crack
virustotal.com
Runs a file, URL or hash past seventy-odd antivirus engines at once
wheregoes.com
Follows a shortened link through every redirect and names the final destination
Privacy
These process everything inside the browser. Load the page, disconnect from the network, and they still work.
bitwarden.com
Generates a random password or passphrase without leaving the page
useapassphrase.com
Generates a word-based passphrase and shows how long it would take to crack
By task
Archive
Kept on record so an old bookmark still leads to an answer. Each one names the site that does the job now.
wink.com
Searched hundreds of millions of public profiles from one box
Questions
There is no single answer, which is why this page lists 12 of them with their limits stated. If you want to avoid signing up entirely, 12 of these work with no account at all.
2 of the 12 sites here process your file inside the browser and never upload it — they are marked "On device". The rest send your input to their server, which is fine for public material and worth thinking twice about for anything personal.
Some already have. 1 entry in this category has been retired and moved to the Archive with a working successor, so an old bookmark still leads somewhere useful.