Roast Timer by Weight – Online Pork Beef Poultry Calculator
Select meat type and enter weight to get recommended cooking time and temp. Built-in timer with alarm.
UD5 Toolkit
Convert parakeet & cockatiel years to human age — and vice versa
Select meat type and enter weight to get recommended cooking time and temp. Built-in timer with alarm.
Add Vietnamese diacritics to plain text by selecting tones. Remove them from text. For language learners.
Encrypt and decrypt messages using the classic Caesar cipher with configurable shift key. Fun for puzzles and basic cryptography lessons. Entirely browser-based.
Interactive soprano recorder chart showing which holes to cover for each note. Switch between baroque and German fingering.
Convert illuminance units: lux, foot-candle, phot. Useful for lighting design and photography. Quick and free.
Generate a pop signal to determine if speakers are wired in phase. Quick stereo test.
Create high-quality QR codes for URLs, text, Wi-Fi, and contact info. Customize colors and size. Download as PNG/SVG. No data leaves your device.
Set a meditation session with singing bowl sounds at start, interval chimes, and end bell. No ads, pure serenity.
Load an audio file and visually trim it by dragging handles on the waveform. Export the trimmed clip. All local.
Easily apply ROT13 cipher to obfuscate or reveal text. A classic letter substitution cipher that works bidirectionally. Purely client-side processing.
Create QR codes with custom colors, gradients, and an embedded logo. Download as high-quality PNG/SVG. Fully local generation.
Automatically adjust brightness, contrast, and saturation of a photo. Click to enhance and download. Canvas‑based.
Remove all EXIF, IPTC, and XMP metadata from your photos. Strip GPS location. Protect your privacy before upload.
Apply a classic Caesar shift cipher with any key. Encrypt or decrypt text instantly. Brute force option included.
Upload a logo to embed in the center of a QR code. High error correction so it still scans. Download PNG/SVG.
Enter a UPC or EAN barcode number and validate the check digit. See if it's a real product code. Local calculation.
Convert any text to proper sentence case. Capitalize the first letter after every period, question mark, or exclamation.
Generate a self‑signed X.509 certificate and private key for local development. All created in your browser. No server involved.
Complete a series of visual pattern puzzles and get a fun estimated score. Purely for entertainment. No data collected.
Look up quick facts about any country: capital, population, currency, flag, and continent. Static data, fast search. Great for travel and education.
Click on a fold technique (spiral, crumple) and see a predicted color pattern. Print folding guide.
Paste rich text and clean it to plain text. Normalize line endings and whitespace. Prepare for code or databases.
Identify countries from their flags. Multiple difficulty levels and regions. Track your high score. Educational geography game. Works offline.
Eliminate duplicate lines from text instantly. Keep only unique lines or see which lines were removed. Handy for cleaning email lists and raw data.
Generate a QR code with a custom icon or logo in the center. Choose error correction level. Download as high‑res PNG.
Press any key to see the complete KeyboardEvent properties: key, code, keyCode, modifiers. Indispensable for game & shortcut developers.
Convert any PNG image into a proper .ico favicon file with multiple sizes embedded. For website icons. Local.
Convert hex or RGB to CIELAB L*a*b* values. Understand perceptual lightness and color opponents. Local math.
Paste a human‑readable date (like 'next Friday' or 'March 5, 2023') and convert it to ISO 8601 format. Quick and tolerant.
Paste a list of words or lines and convert all to UPPERCASE or lowercase at once. Also supports title case.