Small tools for everyday tech jobs. Each one works in your browser, so nothing you type or choose is uploaded, and each comes with a plain-English guide below it.
- Laptop battery health calculatorFind out how worn your laptop battery is. Enter two numbers from the Windows 11 battery report (or paste the report) and get the health percentage, wear and a plain verdict.Windows
- Photo location and EXIF removerCheck whether a photo gives away where it was taken, then save a clean copy without the hidden location and camera data. Works with JPEG and PNG, and nothing leaves your device.Security
- Wi-Fi QR code generatorTurn your Wi-Fi name and password into a QR code that iPhone and Android cameras can scan to join. Download it as a PNG or print a guest card; nothing leaves your device.Android
- AI token counterPaste any prompt or document to see its characters, words and an estimate of the tokens it will use, plus how much of an 8K to 1M-token context window it fills. Runs in your browser.AI
- Meta title and description checkerCheck your SEO title and meta description in pixels, the way Google's desktop results measure them, and see a preview before you publish. Runs in your browser.WordPress
- Password and passphrase generatorMake a strong random password or an easy-to-type passphrase from EFF's wordlist, with its strength shown in bits. Runs in your browser: nothing is uploaded or saved.Security
- Mic testCheck your microphone in your browser: a live level meter, the device name and settings, and a 5-second recording to play back. Plus fixes for a mic that stays silent on Windows 11, Android, iPhone and Mac.Windows
- Speaker and headphone testCheck that your headphones and speakers play left, right and center correctly, and run a bass-to-treble sweep to spot rattles. Plus fixes for no sound or one quiet ear on Windows 11, Android, iPhone and Mac.Windows
- Webcam testCheck your camera in seconds: a live preview, its real resolution and frame rate, and a test photo. Plus fixes for a camera that won't work on Windows 11, Mac, iPhone and Android. Nothing is uploaded.Windows
- Dead pixel testFill your screen with solid colors to find dead and stuck pixels on a new or used phone, laptop, monitor or TV. Learn the difference, what manufacturers say about returns, and whether a stuck pixel can be fixed.Windows
- Keyboard testerPress every key and watch it light up on a full keyboard map, with a list of keys you haven't pressed yet. Plus fixes for keys not working on Windows 11, Mac, Android and iPhone.Windows
- Word counterCount words, characters, sentences and paragraphs as you type. See reading and speaking time, a Flesch readability score, your most-used words and how your text fits X, Instagram and SMS limits.Apps
- QR code generatorMake a QR code for a web link, plain text, an email, a phone call, a text message or a contact card. Download it as PNG or SVG, or print it. It runs in your browser and the codes never expire.Apps
- Link safety checkerPaste a link from a text, email or QR code to see where it really goes. The checker flags look-alike brand names, hidden destinations, raw IP addresses and other phishing tricks, without opening the link.Security
- Image compressor and converterMake photos and screenshots smaller for email, WordPress and the web. Convert to JPEG, WebP or PNG, set a quality and a maximum size, and download the results. Your images never leave your device.Apps
- HEIC to JPG converterTurn iPhone HEIC photos into JPGs that open anywhere, several at a time, without uploading them. Plus how to make your iPhone save or transfer JPEGs, and how to open HEIC files on Windows.iPhone
- Password leak checkerFind out if a password has turned up in a known data breach, without sending the password anywhere. Plus what to do if it has: change it, stop reusing it, and turn on two-step verification.Security
- What is my IP addressSee the public IP address websites see for you, whether it's IPv4 or IPv6, and the details your browser shares. Plus how to find your local IP on Windows 11, Android, iPhone and Mac, and what a VPN does and doesn't hide.Security
Fix finder
Pick your device, then your problem.