Mic Test

Spin the wheel in your browser to pick a name, prize, or classroom winner. Free online random picker. Lists stay local unless you save or publish.

The Rasterbator turns a photo into a wall poster online. Keep original detail or add halftone dots, then download a tiled PDF for A4 or Letter paper.

Play Poke Survivor online free with no download. Embed the official English game, then read the wiki, tier list, and guides.

Make any image square online for free. Add blur or color backgrounds, crop to 1:1, set a custom size, add rounded corners, and download PNG, JPG, or WebP.

Split image online free with Splikit, a private browser image splitter for 2, 3, 4, 9 or custom grids and print. No signup, no watermark, no upload.

Free frame rate test online. Measure live FPS, estimate your display refresh rate (Hz), and compare 240/120/60/30 FPS. No install needed.

Online keyboard test with a full 104-key visualizer, key history, ghosting checks, and double-type detection for Windows and Mac layouts.

Free aspect ratio calculator for images, videos, social media, screens, CSS, and AI prompts. Calculate 16:9, 9:16, 4:5, 1:1 or custom ratios, and detect the ratio of an uploaded image.

Gold calculator for melt value estimates of jewelry, coins, and scrap. Live spot prices for 24K, 18K, 14K and other karats, per gram, ounce and kilogram.

Convert HEIC to JPG in your browser, free and without uploads. Batch-convert iPhone photos, choose quality, and download JPGs or a ZIP.

Create a custom Jeopardy-style board with TriviaBeam. Add clues, invite teams, and host live with phone buzzers, scoring, and a shared display.

Open a pure black screen (#000000) online in fullscreen. Test stuck pixels, protect OLED displays, and save battery. Free in any browser, no sign-up.