Free everyday calculators, converters, and utilities. No accounts, no downloads, and 100% private in your browser.
Add up your shift hours, breaks, and overtime to calculate your exact paycheck.
Convert iPhone photos (HEIC), WebP, or PNG to high-quality JPG in 1 click.
Count calendar days and business workdays between any two dates.
Customizable Pomodoro timer with flexible focus and break intervals tailored to your workflow.
Calculate the exact date your workplace probation period ends.
Create matching color schemes and copy HEX/RGB codes for your creative projects.
Save text snippets and quick notes in your browser so you never lose them.
Quickly convert kilograms to pounds, Celsius to Fahrenheit, meters to feet, and more.
Paste a list of numbers to calculate the average, median, totals, and spread.
Find and copy symbols like ©, ®, arrows, math signs, and emojis with one click.
Create custom QR codes for links, Wi-Fi, WhatsApp, and contacts that never expire.
Count words, characters, sentences, and analyze SEO keyword density in real-time.
Draw or type your signature and download an auto-cropped transparent PNG for Word and PDF.
Diseñado para ser la forma más rápida y respetuosa de hacer tus tareas.
Your photos, work hours, and notes never leave your device. Everything is processed directly inside your browser.
Open any utility and use it immediately with zero passwords, emails, or subscriptions.
Clean interface with large touch targets, tailored to work smoothly on smartphone, tablet, or desktop.
Learn useful tips to optimize your work hours, files, and daily tasks.
Learn how to organize shifts, breaks, and daily calculations to save time every single day.
Learn how to structure your work sessions and rest intervals to sustain mental energy and prevent burnout.
Understand how the 9 months or 273.75 days of probation are calculated and employee rights.
Fix compatibility issues when sending iPhone photos to Windows, government forms, and websites.
Written and curated by HR and digital solutions specialists to help you work faster, understand statutory rights, and optimize everyday workflows.
Step-by-step breakdown of probationary terms under Puerto Rico labor reform statutes for exempt and non-exempt employment classifications.
Practical formulas to compute regular hours, daily and weekly overtime thresholds, and gross payroll earnings accurately.
The legacy of ASCII encodings, DOS vs Windows-1252 tables, and practical keyboard shortcuts for math, currencies, and typography.
Technical comparison between Apple's proprietary HEIC container and Google's open WebP standard for websites and digital archives.
Understand the hidden pitfalls of subscription-based dynamic QR redirectors versus free, lifetime static QR codes.
Science-backed strategies on ultradian work cycles, structured recovery pauses, and sustained daily cognitive focus.
Everything you need to know about using Listos.app
Work hours calculator, HEIC to JPG/PNG/WEBP photo converter, Pomodoro focus timer, date calculator, color palette generator, notes clipboard, unit converter, and statistics.
No. Listos.app is 100% open and frictionless. No signups, no emails requested, and no passwords to remember.
Completely. All files you convert and hours you enter are processed locally inside your browser. Nothing is sent to external servers.
Yes. The user interface features large touch targets and responsive layouts tailored for one-handed phone use and full desktop displays.
