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23 Free Tools — No Sign-up

Free Online Utilities

Browser-based tools that work instantly — no installs, no accounts, no ads. Your data never leaves your device.

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Showing 23 of 23 utilities

QR Code Generator
Generator

Create custom QR codes for URLs, WiFi, vCards, SMS and more

  • URL, WiFi, vCard & SMS
  • Custom colors & logo
  • PNG & SVG export
Open Tool
Character Counter
Text

Count characters, words, sentences and paragraphs instantly

  • Words, sentences, paragraphs
  • Platform character limits
  • Keyword density table
Open Tool
Image Compressor
Media

Compress JPG, PNG & WebP images without losing quality

  • JPG, PNG & WebP support
  • Quality slider 10–100%
  • Before / after size preview
Open Tool
Online Notes
Text

Quick notes that auto-save in your browser — no login needed

  • Auto-saves in browser
  • Up to 10 note tabs
  • Download as .txt file
Open Tool
JSON Formatter
Developer

Format, validate, minify and beautify JSON in seconds

  • Syntax highlighting
  • Real-time JSON validation
  • Minify & sort keys
Open Tool
Difference Checker
Text

Compare two texts side-by-side and highlight all differences

  • Line-by-line LCS diff
  • Added / removed stats
  • Copy diff to clipboard
Open Tool
Password Generator
Security

Generate strong, secure random passwords with custom length and character sets

  • Crypto-secure randomness
  • Custom length & char sets
  • Strength meter
Open Tool
Word Counter
Text

Count words, characters, sentences, paragraphs and estimate reading time

  • Words, sentences, paragraphs
  • Reading time estimate
  • Platform limit bars
Open Tool
Case Converter
Text

Convert text to uppercase, lowercase, title case, camelCase, snake_case and more

  • 9 case formats
  • camelCase & snake_case
  • Instant live conversion
Open Tool
Pomodoro Timer
Productivity

Boost focus and productivity with a customizable Pomodoro technique timer

  • Focus + break sessions
  • Audio alerts
  • Session tracking
Open Tool
Resize Image
Media

Resize images to any dimension with aspect ratio lock — no upload needed

  • Custom width & height
  • Aspect ratio lock
  • JPEG, PNG & WebP output
Open Tool
JPG to PNG
Media

Convert between JPG, PNG and WebP image formats instantly in your browser

  • JPG, PNG & WebP
  • Quality slider
  • Instant live preview
Open Tool
PDF Merge
Productivity

Combine multiple PDF files into one document — private, no server uploads

  • Merge unlimited PDFs
  • Drag to reorder
  • No server upload
Open Tool
Base64 Encoder
Developer

Encode text to Base64 or decode Base64 strings with URL-safe mode support

  • Encode & decode
  • URL-safe mode
  • Size overhead stats
Open Tool
URL Encoder
Developer

Percent-encode URLs or decode URL-encoded strings with encodeURI support

  • encodeURIComponent & encodeURI
  • Encode & decode
  • Instant swap
Open Tool
Random Number Generator
Productivity

Generate random numbers, dice rolls, coin flips, and unique lottery picks

  • Single & multiple numbers
  • Dice & coin flip
  • History log
Open Tool
Love Calculator
Fun

Calculate love compatibility by name and age — fun, instant, and always positive

  • Name + age compatibility
  • Always positive results
  • 5 love levels
Open Tool
IQ Test
Fun

15-question timed test covering logic, number sequences, verbal reasoning and maths

  • 15 timed questions
  • Logic, sequences & maths
  • IQ score + classification
Open Tool
Gender Prediction
Fun

Predict baby gender using Chinese Lunar Calendar, Mayan method, or combined

  • Chinese Lunar Calendar
  • Mayan method
  • Combined prediction
Open Tool
Dice Roller
Fun

Physics-based 3D dice — d4, d6, d8, d10, d12, d20 with size options and fullscreen

  • d4 to d20 dice types
  • Physics-based animation
  • Fullscreen mode
Open Tool
World Clocks
Productivity

Live analog and digital clocks for 40+ cities — drag to reorder, fullscreen mode

  • 40+ cities worldwide
  • Live analog + digital
  • Drag to reorder
Open Tool
Stopwatch
Productivity

Precision stopwatch with millisecond display, lap tracking, and fullscreen mode

  • Millisecond precision
  • Lap & split tracking
  • Fullscreen mode
Open Tool
Spell & Grammar Checker
Text

Check spelling, grammar, punctuation, and style instantly. Supports English, French, German, Spanish and more

  • Spelling & grammar check
  • Punctuation & style tips
  • Multi-language support
Open Tool

Why Use LLMs Guru Utilities?

Built for people who value their time, privacy, and simplicity.

100% Private

Nothing is uploaded. All processing happens in your browser — your data stays with you.

Instant Results

No waiting for servers. Tools respond as fast as your device can — usually in milliseconds.

Works Everywhere

Desktop, tablet, or phone. Chrome, Safari, Firefox, or Edge. Every tool is fully responsive.

No Account Needed

No email, no password, no cookies. Just open a tool and start using it immediately.

Frequently Asked Questions