QuickHardwareCheck
Test your mic, camera, speakers, keyboard and mouse two minutes before a video call instead of during it.
Useful websites you should know
Twenty small sites from the library that earn a place in your bookmarks bar, each with the reason it's there, followed by 41 more sorted by the moment you'll need them. All free, and most need no account.
The top 20
PixelProbe
See whether a photo carries your GPS location before you post it, and strip it if it does.
SecurePass Pro
Generates passwords on your own device with the Web Crypto API, so nothing is sent anywhere.
PDFCombiner
Merges PDFs in the tab. Handy for scanned forms you would rather not upload.
QuickCut
Cuts a product or profile photo out of its background in a few seconds.
CompressPixel
Shrinks photos that are too big to email or upload, without visible quality loss.
DiffText Pro
Paste two versions of a contract or essay and see exactly what changed.
WiFi QR Code Generator
Print a QR code so guests join your Wi-Fi without spelling the password out loud.
PickSpin
Settle "where do we eat" with a wheel, a coin or dice.
CountdownPro
A clean countdown to a launch, a holiday or the end of an exam, with a shareable link.
ConvertQuick
Unit conversion that remembers the ones you use most.
QuickNote
A scratch pad that opens instantly and counts words and characters as you type.
SpeedTyper
A quick typing test with WPM and accuracy, good for a five-minute daily habit.
PuzzleLab
Solitaire, sudoku, minesweeper and jigsaws without an app or an account, for when you are bored.
WordWhiz
Unstick a Wordle, crossword or Scrabble rack when you are truly out of ideas.
RankMaven
Drag things into S-to-F tiers and export the image. Surprisingly addictive with friends.
MindMapFlow
Dump a messy idea into a mind map with no sign-up, then export it.
FrequencyZen
Background tones and binaural beats for focus or winding down.
DiceVault
Dice roller, encounter builder and loot tables for a tabletop game night.
ClickForge
Measure your clicks per second and reaction time, then try to beat it.
Everyday fixes
- TipMathWhen the bill comes, it helps you calculate tips and split it instantly.
- CookConvert.ioWhen a recipe is in the wrong units, it converts measurements and ingredients.
- DateMath ProWhen you need a date range or business-day count, it does the math.
- ConvertQuickWhen you need a quick unit swap, it handles conversions with shortcuts.
- MathQuickWhen you need a fast answer, it gives step-by-step math calculators.
- TempConvertWhen a temperature needs changing, it converts Celsius, Fahrenheit, Kelvin, and Rankine.
- HoursCalcWhen a shift runs long, it calculates hours and overtime for you.
Privacy and security
- SecurePass ProWhen you need a safer login, it generates passphrases client-side.
- PassCheck ProWhen you’re unsure about a password, it checks strength and breach risk.
- NetKitWhen a site or server seems off, it checks DNS, WHOIS, SSL, and IP.
- PixelProbeWhen a photo may expose too much, it shows and removes metadata in the browser.
- BlurShotWhen a screenshot has sensitive details, it blurs, pixelates, or redacts them.
Files, PDFs and photos
- SplitPDFWhen a PDF is too big, it splits it locally in the browser.
- PDFCombinerWhen you have separate PDFs, it merges them in the browser.
- EditPDF ProWhen a PDF needs edits, it adds text, drawings, signatures, and forms.
- ImageToPDFWhen images need sharing as one file, it converts them to PDF.
- CompressPixelWhen images are heavy, it compresses them in the browser.
- CropMasterWhen a photo needs the right size, it crops and resizes with platform presets.
- QuickCutWhen a background gets in the way, it removes it quickly in the browser.
Money and life admin
- BudgetBuddyWhen spending feels fuzzy, it tracks expenses and breaks down your budget.
- DebtFree JourneyWhen paying off debt, it maps snowball or avalanche plans.
- TaxWiserWhen taxes are on your mind, it calculates income, refunds, and brackets.
- PayWiseWhen you want to know take-home pay, it estimates your paycheck.
- RetireWiseWhen planning ahead, it calculates retirement savings, income, and timing.
- RentCalcWhen dealing with rent, it offers calculators for tenants and landlords.
Learn something
- ShortcutMasterWhen you want to work faster, it teaches keyboard shortcuts for popular apps.
- WordRightWhen a phrase sounds off, it explains commonly confused words and grammar rules.
- MusicTheory AcademyWhen music theory feels abstract, it offers interactive practice and ear training.
- ElementiaWhen chemistry homework appears, it gives an interactive periodic table and calculators.
- StatLearnWhen statistics is confusing, it uses interactive lessons on probability and stats.
- CalcuMasterWhen calculus gets tough, it helps with visual calculators and steps.
- WordWellWhen you want to learn a new word, it gives vocabulary help and synonyms.
- StudyBlitzWhen it’s time to review, it turns notes into flashcards and study games.
For when you're bored
- PuzzleLabWhen you want a classic distraction, it offers solitaire, sudoku, and jigsaw puzzles.
- Daily Puzzle FixWhen you want a quick daily break, it serves casual puzzles with progress tracking.
- QuizlyWhen you feel like testing yourself, it has personality, IQ, and trivia quizzes.
- RollPickWhen choices are boring, it lets you pick with coins, dice, lists, or wheels.
- WordWhizWhen a word game stalls, it solves anagrams, Wordle, crosswords, and Scrabble.
- SoundScapeWhen you just want atmosphere, it mixes ambient sounds for sleep or focus.
- BeatCraftWhen you want to mess around creatively, it lets you make beats in the browser.
- AsciifyWhen you want playful text art, it turns text into ASCII art.
Questions people ask
What are the most useful websites to bookmark?
The ones that fix a problem you hit again and again: a device tester before video calls, a photo metadata remover before posting, a PDF merger for scanned forms, a password generator, a unit converter and a quick notepad. The top 20 above are our picks for exactly that.
What are some interesting and useful websites?
Beyond the practical picks, try a tier-list maker, a typing race, a click-speed test or ambient sound for focus. The "For when you're bored" group collects them.
What makes a website "useful" enough to bookmark?
It solves a problem you hit more than once, works instantly without an account, and does one thing well. Everything on this page passes that test.
Are these websites free?
Yes. All of them can be used for free in a browser, and most need no sign-up.
Are these the most popular websites?
No. The most visited sites (search engines, video, social networks) are already on your phone. This page is about small single-purpose sites people don't know about until they need one.
Any good websites for when I'm bored?
Try the puzzles, typing games and quizzes in the last group, or press "Pick one at random" on the home page.