💼 Meeting Cost Calculator
Estimate total meeting cost in real-time based on attendees and duration.
Open CalculatorFree Online Tools for Everyone
Browse 12+ fast, private, no-login tools — calculators, converters, QR codes, passwords, image compression, color palettes, text utilities and more.
LKFree is a growing collection of free browser-based utilities designed for students, developers, designers and everyday users around the world. Every tool runs locally in your browser whenever possible, so your files and data stay private.
🔤 Number → Text
Convert many numbers to words at once. Supports bulk input and copy helpers.
Open Tool💱 Number → Currency
Intl formatting with bulk input, copy and paste helpers.
Open Tool📝 Number → Word Online
Quick single-field converter that outputs words only.
Open Tool🧪 Color Palette
Upload an image and extract the top colors. Copy HEX or download JSON.
Open Tool🗜️ Image Compressor & Resizer
Shrink images in your browser. Choose size, quality and download instantly.
Open Tool🔳 QR Code Generator
Create a QR code from any text or URL. Download or copy the PNG.
Open Tool🔐 Password & Passphrase Maker
Secure random passwords or readable passphrases with an entropy meter.
Open Tool📏 Unit Converter
Convert length, weight, temperature, volume, speed and more instantly.
Open Tool✍️ Text Tools
Case conversion, trim, dedupe lines, sort, slugify, URL/Base64 utilities.
Open Tool📇 Contact Extractor
Paste a URL or HTML to find emails, phones, addresses and people.
Open Tool🧩 HTML Extractor
Fetch or paste a page to view, copy or download the raw HTML source.
Open Tool