For teams
Self-Host Packager
Bundle the tools your team needs into a rebranded package you host yourself.
Free online tools
Text & Writing
Word Counter
Words, characters, sentences, reading time, and keyword density as you type.
Online Notepad
A private notepad that autosaves to your device, with live word and line counts.
Calculators
Percentage Calculator
Percent of a number, increase/decrease, discounts, and tips. Formula included.
BMI Calculator
Body mass index in metric or imperial, with your WHO category and healthy range.
Loan Calculator
Monthly payment, total interest, and a full amortization schedule for any loan.
Car Depreciation Calculator
What your car will be worth, and what owning it really costs per year and distance driven.
Converters
Unit Converter
Convert length, weight, temperature, and 7 more categories, with the formula shown.
Generators
Password Generator
Strong random passwords, passphrases, and PINs with time-to-crack estimates.
QR Code Generator
QR codes for links, Wi-Fi, vCards, and more. No watermark, never expire.
Random Number Generator
Secure random numbers, dice, coin flips, and pick-from-a-list draws.
Barcode Generator
Code 128 and EAN-13 barcodes with check digits, as PNG or print-ready SVG.
Developer
JSON Formatter
Format, minify, and validate JSON with exact error locations and a tree view.
Hash Generator
MD5, SHA-1, and SHA-256/512 for text or files, hashed locally and never uploaded.
Unix Timestamp Converter
Convert epoch timestamps to dates and back, in UTC and your local time zone.
Regex Tester
Test regular expressions live with match highlighting, groups, and replace.
Base64 Encoder & Decoder
Encode and decode Base64 with correct UTF-8, URL-safe output, and files.
Image & Media
Image Compressor
Compress, resize, and convert JPEG, PNG, and WebP to an exact target size.
Color Converter & Picker
Convert HEX, RGB, HSL, and OKLCH, with tints, shades, and color harmonies.
Image Cropper
Crop to any aspect ratio or exact pixel size, then rotate, flip, and export.
Image Color Picker
Pick exact HEX, RGB, and HSL from any photo, with a magnifier and palette.
Time & Date
Age Calculator
Exact age in years, months, and days, plus a countdown to your next birthday.
Timer
Countdown timer and stopwatch with presets, laps, and an alarm.
Time Zone Converter
Compare times across cities with a meeting planner and automatic daylight saving.
Device Tests
Mic Test
Check your microphone with a live level meter, waveform, and playback.
Webcam Test
Check your camera with a live preview, real resolution and frame rate, and a snapshot.
Why use these tools?
Private by design
Every tool runs entirely in your browser. Nothing is uploaded, logged, or tracked. Your text, passwords, and photos never leave your device.
Free, forever
No accounts, no paywalls, no usage limits, no watermarks. Open a tool and use it.
Fast & offline-ready
Each tool is a single lightweight page with no server calls, so it loads instantly and keeps working even without a connection.
Simple tools that respect your data
Most "free" online tools upload your files to a server, wrap the result in ads, and ask you to sign up before you can download it. WBest takes the opposite approach: every tool is a single fast page of plain HTML and JavaScript that does all of its work right on your device.
Frequently asked questions
Are these online tools really free?
Yes. Every tool is completely free, with no accounts, subscriptions, usage limits, or watermarks. Each one is a single lightweight page that costs almost nothing to run, so free stays free.
How do the tools keep my data private?
Every tool runs entirely in your browser using JavaScript. Your text, passwords, images, and QR data are processed on your device and never uploaded, logged, or shared. You can verify it yourself: the tools keep working even with your internet connection switched off.
Do the tools work offline?
Yes. Each tool is a single self-contained page with no server calls, so once it has loaded it keeps working without a connection. You can even save a page to your device and use it anywhere.
Do I need to create an account or install anything?
No. There is nothing to sign up for, no email to enter, and no app to install. Every tool works instantly in any modern browser on desktop, tablet, and mobile.