Builder of free browser tools for creators and makers.

Mat Ori  • Peerlist

Free online gold price calculator and metal value tool.

YouTube playlist length calculator for total duration and creator helper tools.

YouTube looper for AB repeat, slow down, and practice sections. Loop any part of a YouTube video for music practice, language learning, or study.

YouTube playlist length calculator for total duration, playback speed estimates, and watch time planning.

Fullscreen screen color utility for white screen, black screen, RGB color screens, dead pixel testing, and monitor checks.

Free online browser tool at https://webharmonium.vip/.

Free online browser tool at https://theforgecalculator.cv/.

Free online browser tool at https://texttohandwriting.vip/.

AI text cleaner for removing invisible characters, hidden Unicode marks, and formatting noise from copied text.

Online square image generator for converting photos into square images for Instagram, profile pictures, product listings, and social posts.

Free online split image tool for Instagram grids, X image splitting, and print poster slicing. Browser-only processing.

Silver calculator for melt value, scrap silver, 925 sterling value, and price per gram or troy ounce by weight, purity, and live spot price.

Online significant figures tools for counting sig figs, rounding numbers, and practice questions.

Free online browser tool at https://sbti.casa/.

Free online monitor test tools for dead pixels, backlight bleed, gamma, contrast, and screen checks.

Free online browser tool at https://misidezero.online/.

Microphone test utility to verify input device status and sound capture quickly.

Free online browser tool at https://michiganpaycheckcalculator.org/.

Collection of free online web tools including calculators, testers, and productivity utilities.

Browser keyboard testing tool for checking full keyboard input, ghosting, and double typing behavior.