4Utilities makes free, single-purpose tools — calculators, a spreadsheet, a word processor, a focus timer, and more. Each one loads fast, runs in your browser, and never asks you to sign up.
Grouped by what you're trying to get done. Open any one — they all work instantly, no sign-up.
A real spreadsheet in your browser — formulas, functions, formatting, auto-fill, and export to Excel or CSV.
Open spreadsheetA clean word processor for writing and formatting documents, then exporting to Word or PDF.
Open editorA focus timer with automatic work/break cycles, custom durations, and a clean, distraction-free face.
Start a sessionA countdown timer, stopwatch and alarm clock in one — with quick presets, sound, and notifications.
Set a timerA fast, no-frills notepad for quick notes that stay in your browser and export when you need them.
Write a noteA suite of everyday calculators — basic, scientific, BMI, percentage, tip, dates, and more.
Open calculatorA versatile finance calculator for the numbers behind everyday money decisions.
Run the numbersModel how investments grow over time with contributions and compounding.
Simulate growthSee loan payments, interest, and totals before you commit.
Plan paymentsEstimate mortgage payments and the real cost of a home loan.
Estimate costsWork through US income tax estimates with up-to-date brackets and deductions.
Compute taxConvert Word documents into clean PDF files, right in the browser.
Convert a fileMerge, split, compress, rotate and convert PDFs — all in your browser, with nothing uploaded.
Open PDF toolsCompress, convert, resize, crop and remove image backgrounds, right in your browser.
Edit an imageA simple canvas for quick sketches and doodles — no install, just draw.
Start drawingGenerate custom QR codes for links, text, Wi-Fi and more — download instantly, no sign-up.
Create a QR codeWe build a family of focused web tools that each do one job well. No bloated all-in-one suite, no accounts, no nagging — just the specific tool you came for, ready the moment the page loads.
Everything is designed around the same idea: respect your time and your data. Wherever it's possible, your work happens entirely in your browser and never touches a server.
See what we've builtThe principles behind every page we ship.
No heavy frameworks, no clutter. Pages are tuned to load and respond instantly, even on a phone.
Wherever possible, everything runs locally in your browser. We don't sell data, and core tools need no account.
Each tool is single-purpose and uncluttered, so you finish the task you came for and move on.
Consistent design, accessible components, and smooth details make every tool feel effortless to use.
Tell us what you'd build next — we read everything.