Free · No sign up · No login
Everyday tools, ready the moment you open them.
Count words, make a strong password, create a QR code, compress, resize or convert images, fix text case, work out an age or a BMI. Everything runs in your browser, so what you type stays with you.
Choose a toolAll tools
Word Counter
Count words, characters, sentences and reading time instantly.
Text & Code 📝Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences, words, characters or list items, as plain text or HTML.
Text & Code 🔣Base64 Encoder/Decoder
Encode text or files to Base64 and decode Base64 back to text or files. Supports Unicode, other character sets and URL-safe Base64.
Text & Code 🧩JSON Formatter & Validator
Format, minify, validate and fix JSON with a tree view and clear error messages that show the line and column.
Text & Code %URL Encoder/Decoder
Encode or decode URLs and query strings with several encoding types and character sets, and break any link into its parts.
Text & Code 🐌Text to Slug Converter
Turn titles into clean, SEO-friendly URL slugs. Convert many lines at once and handle accents, Arabic, Cyrillic and Greek.
Text & Code 🔤Text Case Converter
Change text to sentence, lower, UPPER, Title or Capitalized case, plus camelCase, snake_case and kebab-case. Keeps names and acronyms.
Text & Code 🔐Password Generator
Create strong random passwords, passphrases and PINs with a strength estimate. Made in your browser and never stored.
Generators 📱QR Code Generator
Make QR codes for links, text, Wi-Fi, email, phone, SMS, WhatsApp, contacts, locations, events, X and crypto. Add colors, a frame or a logo.
Generators 🖼️Image Compressor
Shrink JPG, PNG and WebP images right in your browser. Pick the quality and size, then download.
Images 📐Image Resizer
Resize photos by pixels, percentage or ready-made social media sizes. Free, private, no upload.
Images 🔄Image Format Converter
Convert images between JPG, PNG and WebP, plus GIF, BMP and AVIF to JPG, PNG or WebP. Private and instant.
Images ％Percentage Calculator
Work out percentages, percentage change, discounts and markups with five quick calculators.
Calculators 📏Unit Converter
Convert length, weight, temperature, volume, area, speed, time and data units instantly.
Calculators 🎨Color Picker & HEX/RGB Converter
Pick a color or take one from an image. Convert HEX, RGB, HSL, HSV and CMYK, build palettes, and check contrast and color blindness.
Generators 🏷️Meta Tag Generator
Create SEO, Open Graph and X card meta tags with live Google and social previews, robots and language settings, and import of existing tags.
Generators 🎲Random Number & Name Picker
Generate random numbers, draw winners, spin a wheel, make teams, roll dice and pick lottery numbers. Fair, private and never saved.
Generators ⏳Countdown Timer & Date Difference
Find the time between two dates, count down to an event, or run a simple timer with an alarm.
Calculators 🎂Age Calculator
Find your exact age in years, months and days, plus days to your next birthday.
Calculators ⚖️BMI Calculator
Turn height and weight into your body mass index and category.
CalculatorsOur Websites
More free products from the Lumara family.
Lumara Links
link.lumara.chatShorten long links, create custom aliases and QR codes, and track clicks.
Visit Website →
Lumara Crypto Tax
crypto.lumara.chatCalculate profit, tax owed and TDS on your crypto trades and see your final take-home amount.
Visit Website →
Lumara Invoice Generator
invoice.lumara.chatCreate, preview, print and save professional invoices as PDF for free. No account needed, and your data stays in your browser.
Visit Website →
AI Open
aiopen.cloudExplore popular AI tools by category, including chat, image, video, coding, SEO and writing AI.
Visit Website →Private by design
Your text, dates and passwords are processed on your device and never stored.
Open and instant
No account, no paywall and no pop-ups. Open a tool and use it.
Made for every screen
Fast on phones and desktops, with light and dark modes and keyboard-friendly controls.