Tools with personality
Beautiful, fast, and free online tools. Privacy-first, no signup required.
Featured Tools
Word Counter
Count words, characters, sentences, and paragraphs in your text
Readability Checker
Analyze text readability with 6 formulas including Flesch-Kincaid, Gunning Fog, and SMOG
Headline Analyzer
Score and optimize your headlines for SEO, engagement, and emotional appeal
Length Converter
Convert between meters, feet, inches, kilometers, and more
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Color Converter
Convert between HEX, RGB, HSL, and other color formats
Image Resizer
Resize images with preset sizes or custom dimensions
CSS Flexbox Generator
Create flexbox layouts visually with live preview and code export
CSS Grid Generator
Create CSS Grid layouts visually with live preview and code export
CSS Animation Generator
Create custom CSS animations with a visual timeline editor, presets, and live preview
JSON Formatter
Format, validate, and beautify JSON data
UUID Generator
Generate unique UUIDs (v4) instantly
API Request Builder
Test APIs with a powerful HTTP client. Supports all methods, auth, headers, and code generation
VAT Calculator
Calculate VAT/GST quickly and easily
Discount Calculator
Calculate discounts and final prices
BMI Calculator
Calculate your Body Mass Index with metric or imperial units
BMR/TDEE Calculator
Calculate your basal metabolic rate and daily calorie needs
Random Number Generator
Generate random numbers with presets for dice, coins, lottery, and more
QR Code Generator
Create custom QR codes for URLs, text, email, phone, and SMS
Regex Tester
Test and debug regular expressions with real-time matching and highlighting
Cron Generator
Build and validate cron expressions with visual editor
Barcode Generator
Generate UPC, EAN, Code 128, QR codes and more
Age Calculator
Calculate your exact age in years, months, days, hours, and more
Loan Calculator
Calculate loan payments and amortization schedules with detailed breakdowns
Date Difference Calculator
Calculate the number of days, weeks, months, and years between two dates
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates
ROI Calculator
Calculate return on investment with simple, marketing, and comparison modes
Break-Even Calculator
Calculate break-even point with profit planning and margin of safety analysis
Macro Calculator
Calculate optimal protein, carbs, and fat intake based on your calorie goals and diet strategy
GPA Calculator
Calculate your semester or cumulative GPA with support for 4.0, weighted, and plus/minus scales
Grade Calculator
Calculate what grade you need on your final exam to reach your target grade
Random Name Generator
Generate unique names for characters, usernames, babies, and more
Decision Maker
Spin the wheel, flip a coin, roll dice, or pick randomly
Business Days Calculator
Calculate working days between dates with holiday support for multiple countries
List Randomizer
Shuffle lists, pick random items, and create random groups
Extract Emails from Text
Find and extract all email addresses from any text
Color Blindness Simulator
Preview how your designs appear to people with color vision deficiency
WiFi QR Code Generator
Create a QR code for instant WiFi network access
Character Counter
Count characters for social media platforms with real-time limits
Pomodoro Timer
Boost productivity with the Pomodoro Technique focus timer
Stopwatch
Free online stopwatch with lap times, millisecond precision, and fullscreen mode
Privacy Policy Generator
Generate a free privacy policy for your website or app
Terms of Service Generator
Generate free terms of service for your website or app
Screen Resolution Checker
Check your screen resolution, viewport size, and display information
What Is My IP
Find your public IP address, location, and ISP information
Meta Tag Generator
Generate SEO-friendly meta tags for your website with live preview
Open Graph Preview
Preview and generate Open Graph meta tags for social media sharing
Robots.txt Generator
Create robots.txt files to control search engine crawling
URL Slug Generator
Convert titles and text into SEO-friendly URL slugs
Text Encryption Tool
Encrypt and decode messages with Caesar cipher, ROT13, Morse code, and more
Sleep Calculator
Calculate optimal sleep and wake times based on sleep cycles
Pregnancy Due Date Calculator
Calculate your due date and pregnancy milestones
One Rep Max Calculator
Calculate your estimated one rep max (1RM) for any lift
Love Calculator
Calculate your love compatibility score with anyone for fun
Spin the Wheel
Random picker wheel with custom options, presets, and sound effects
Word Scramble Solver
Find all possible words from scrambled letters with Scrabble scoring
JSON ↔ YAML Converter
Convert between JSON and YAML formats with bidirectional conversion
Markdown Editor
Write and preview Markdown with live rendering and formatting tools
Hashtag Generator
Generate relevant hashtags for Instagram, TikTok, Twitter, and other social platforms
Engagement Rate Calculator
Calculate engagement rates for Instagram, TikTok, Twitter, YouTube, LinkedIn, and Facebook
Social Media Image Resizer
Resize and optimize images for all social media platforms with smart cropping
Schema Markup Generator
Generate JSON-LD structured data for better SEO and rich search results
Sitemap Generator
Generate XML sitemaps for your website to improve search engine indexing
GIF Maker from Images
Create animated GIFs from multiple images with customizable timing and settings
Audio Trimmer & Cutter
Trim and cut audio files with waveform visualization - works entirely in your browser
Audio Format Converter
Convert audio files between MP3, WAV, OGG, FLAC, and AAC formats with custom bitrate and quality settings
Password Strength Analyzer
Analyze password strength with crack time estimates, pattern detection, and security tips
Paraphrasing Tool
Rewrite text in different styles: formal, casual, creative, or simplified
Video to GIF Converter
Convert video clips to animated GIFs with custom settings for size, frame rate, and quality
WCAG Contrast Checker
Test color contrast ratios against WCAG 2.1 AA and AAA accessibility standards
Meme Generator
Create memes from images with text overlays, drawing tools, and no watermarks
Markdown Table Generator
Create Markdown tables with a visual editor. Import CSV, JSON, or Markdown and export in multiple formats
Alt Text Generator Helper
Learn to write accessible alt text with guided prompts, validation, and a quiz mode
Tone Analyzer
Analyze the emotional tone of your writing. Detect formal, casual, confident, friendly, and more tones
Flashcard Maker
Create flashcard decks with SM-2 spaced repetition algorithm for effective learning
Browse by Category
Text & Content
24 tools
Text manipulation and content creation tools
Calculators & Converters
73 tools
Powerful calculators and unit converters for everyday needs
Design & Color
24 tools
Professional design and color tools
Developer Tools
43 tools
Essential utilities for developers
Productivity
18 tools
Focus timers, decision makers, and workflow tools
Education
2 tools
Learning tools, flashcards, and study aids
Accessibility
4 tools
Web accessibility testing and compliance tools
Why Toolisti?
Beautiful Design
Not your average boring utility site. Every detail crafted with care.
Lightning Fast
All tools work client-side. No waiting, no loading. Instant results.
Privacy First
Your data never leaves your browser. No tracking, no storage.
100% Free
All tools completely free. No hidden costs, no premium tiers.
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