Free Online Tools
Browser-based utilities that run 100% on your device. No uploads, no signups, no tracking.
Photo Metadata Viewer
Drop a photo to see hidden EXIF data: GPS location, camera info, timestamps, and more. See exactly what your photos reveal about you.
Free, runs in browserImage Format Converter
Convert images between JPEG, PNG, and WebP formats. Adjust quality, compare file sizes, and download. All in the browser.
Free, runs in browserPrint Size Calculator
Find out how large you can print your photo at 72, 150, and 300 DPI. Enter pixels or upload an image to check.
Free, runs in browserSocial Media Image Checker
Upload a photo to check if it meets size requirements for Instagram, Twitter/X, Facebook, LinkedIn, TikTok, and more.
Free, runs in browserTattoo Pain Chart
Interactive body map showing pain levels for every tattoo placement. Tap any area to see the rating, from least to most painful.
Free, interactiveWall Art Size Calculator
Enter your wall and furniture dimensions to find the ideal art size. Uses the 2/3 rule and shows a visual preview.
Free, interactiveColor Palette Extractor
Upload a photo to extract its dominant colors. Get hex codes, RGB values, and a palette you can copy with a click.
Free, runs in browserComic File Inspector
Drop a CBZ or ZIP comic file to see page count, image dimensions, file sizes, and format details without extracting.
Free, runs in browserComic & Manga Reading Order
Find the recommended reading order for 40+ comics and manga. Batman, Spider-Man, One Piece, Berserk, and more with essential arcs and starting points.
Free, interactiveDice Roller
Roll any dice combination for D&D, board games, and tabletop RPGs. D4 through D100 with modifiers and roll history.
Free, interactiveFunction Grapher
Type a math function and see it plotted instantly. Supports polynomials, trig, exponentials, and more. Great for students.
Free, runs in browserWindow Light Estimator
Estimate how much light a windowsill gets in lux from its direction, what is outside it, and how far back the pot sits. Then see which houseplants suit that spot.
Free, interactivePet-Safe Plant Checker
Check 100 houseplants against the ASPCA toxic and non-toxic lists. Says when a species is not listed either way, instead of quietly calling it safe.
Free, 100 speciesHouseplant Light Requirements
How much light 100 common houseplants need, in lux, with what they tolerate and what kills them. Each claim links to the reference it was checked against.
Free, 100 speciesSchengen 90/180 Calculator
Add your trips and see how many of your 90 days you have used in the rolling 180-day window, how many are left, and the longest stay you could start on a given date.
Free, runs in your browserPet Travel Timeline
Enter a travel date and destination to see when your dog's microchip, rabies vaccination, health certificate and tapeworm treatment each have to happen.
Free, runs in your browser