Free Online Tools – Calculators, Generators, Converters & More
345+ free online tools for everyday work — word counters, QR codes, password generators, unit converters, JSON formatters, and more. Everything runs in your browser. No registration, no downloads.
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Popular Tools
Most used free tools — open any card to use it instantly
Invisible Text Generator
Generate invisible / blank text characters for usernames, bios and messages.
UULE Generator
Generate Google UULE location parameters for local search testing and SEO.
Profile Picture Maker
Create perfect profile pictures for social media.
Risk Roll QR Code
Generate a fun risk-roll QR code for games, challenges, or random outcomes.
Word Counter
Count words, characters, sentences and paragraphs instantly.
QR Code Generator
Create custom QR codes for any text or URL instantly.
Password Generator
Generate strong random passwords instantly.
JSON Formatter
Format, validate and beautify JSON data.
Browse by Category
Dedicated pages for each tool group — pick a category to explore
Calculators
Free online calculators for age, BMI, percentage, loan, EMI, interest and more.
Unit & Number Converters
Convert length, weight, temperature, binary, roman numerals and more instantly.
Text Tools
Word counter, case converter, text cleaner, lorem ipsum and 50+ text tools.
Security Generators
Password generator, hash generator, UUID, Base64, JWT and secure key tools.
QR & Barcode
Free QR code generator, WiFi QR, vCard, barcode and more.
Image Tools
Image compressor, resizer, converter, watermark, filters and social media sizers.
PDF Tools
Merge, split, compress PDF, image to PDF, PDF to image and more.
Developer Tools
JSON formatter, regex tester, CSS generators, color converters and coding tools.
CSS / Design Tools
Gradient generator, box shadow, glassmorphism, neumorphism and CSS helpers.
SEO Tools
Meta tag generator, schema, robots.txt, sitemap, keyword tools and more.
AI-Style Generators
Name generators, bio generators, caption generators, prompt generators and more.
Social Media Tools
Instagram, YouTube, TikTok, Twitter caption, bio and hashtag generators.
Random / Fun Tools
Random name, coin flip, dice, wheel spinner, truth or dare and fun generators.
Business Tools
Invoice generator, resume, business card, certificate and business name tools.
Featured Tools
Hand-picked essentials for writing, security, development, and everyday tasks
Invisible Text Generator
Generate invisible / blank text characters for usernames, bios and messages.
UULE Generator
Generate Google UULE location parameters for local search testing and SEO.
Profile Picture Maker
Create perfect profile pictures for social media.
Risk Roll QR Code
Generate a fun risk-roll QR code for games, challenges, or random outcomes.
Word Counter
Count words, characters, sentences and paragraphs instantly.
QR Code Generator
Create custom QR codes for any text or URL instantly.
Password Generator
Generate strong random passwords instantly.
JSON Formatter
Format, validate and beautify JSON data.
Explore All Free Tools
From calculators and converters to text, QR, SEO, and developer utilities — browse the full directory by category above, or search any tool by name.
Why use Online Generator Tools?
Online Generator Tools is a free toolkit with calculators, converters, text utilities, QR generators, password tools, JSON formatters, and more. Whether you need a word counter, QR code generator, password generator, BMI calculator, or unit converter, each tool opens instantly in your browser.
No account is required. Your data stays on your device for most tools. Pages are organized by category — Text Tools, Calculators, QR & Barcode, SEO Tools, and Developer Tools — so you can find the right utility quickly.