Free Online Tools
Free, fast, and private browser tools — no signup, no tracking. All tools run entirely in your browser.
JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting.
Base64 Encoder/Decoder
Encode and decode Base64 strings instantly in your browser.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.
HTML Entity Encoder/Decoder
Encode and decode HTML entities for safe web content.
CSS Minifier & Beautifier
Minify or beautify CSS code to optimize file size.
Regex Tester
Test and debug regular expressions with real-time matching.
URL Encoder/Decoder
Encode and decode URLs for safe web transmission.
Markdown to HTML Preview
Write Markdown and see live HTML preview side by side.
Text Diff Checker
Compare two text blocks and highlight the differences.
Word Counter
Count words, characters, sentences, and check readability scores.
Case Converter
Convert text between uppercase, lowercase, title case, and more.
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words.
Age Calculator
Calculate exact age in years, months, and days from any date.
BMI Calculator
Calculate Body Mass Index with health category and weight ranges.
Tip Calculator
Calculate tips and split bills among multiple people.
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor.
Favicon Generator
Generate favicons in all sizes from any image.
Percentage Calculator
Calculate percentages, increases, decreases, and ratios.
Compound Interest Calculator
See how your investments grow over time with compound interest.
Mortgage Calculator
Estimate monthly mortgage payments and total loan cost.
ROI Calculator
Calculate return on investment and annualized returns.
Text to Speech
Convert text to natural speech using your browser.
Salary to Hourly Converter
Convert annual salary to hourly wage and vice versa.
Loan Calculator
Calculate loan payments, interest, and payoff schedule.
Calorie Calculator
Estimate daily calorie needs based on your activity level.
Body Fat Calculator
Estimate body fat percentage using the U.S. Navy method.
BMR Calculator
Calculate your basal metabolic rate with multiple formulas.
Due Date Calculator
Estimate pregnancy due date and see trimester milestones.
Ideal Weight Calculator
Find your ideal weight range using scientific formulas.
Password Generator
Generate secure, random passwords instantly. Customizable length and characters.
QR Code Generator
Create QR codes from any text or URL instantly.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates.
Color Picker
Pick colors and convert between HEX, RGB, and HSL formats.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
Weight Converter
Convert between kg, lbs, ounces, grams, and stone.
Length Converter
Convert between meters, feet, inches, cm, km, and miles.
Area Converter
Convert between m², ft², acres, hectares, and km².
Volume Converter
Convert between liters, gallons, mL, fl oz, and cups.
Speed Converter
Convert between km/h, mph, m/s, knots, and ft/s.
Data Size Converter
Convert between bytes, KB, MB, GB, TB, and PB.
Time Converter
Convert between seconds, minutes, hours, days, and years.
Energy Converter
Convert between joules, calories, kWh, BTU, and eV.
Pressure Converter
Convert between Pa, atm, bar, PSI, mmHg, and kPa.
UTM Builder
Generate campaign tracking URLs with UTM parameters for analytics.
Meta Tag Generator
Generate SEO meta tags including title, description, and Open Graph tags.
Social Media Image Resizer
Resize images for Instagram, Facebook, Twitter, LinkedIn, and YouTube.
Hashtag Generator
Generate optimized hashtag sets for Instagram, Twitter, TikTok, and LinkedIn.
Email Signature Generator
Design professional HTML email signatures with live preview.
Headline Analyzer
Analyze headline effectiveness with scoring and improvement tips.
A/B Test Calculator
Calculate statistical significance and confidence for A/B tests.
Open Graph Preview
Preview how your page looks when shared on social media.
CTA Generator
Generate high-converting call-to-action copy for ads and landing pages.
Ad Copy Character Counter
Check ad copy against character limits for Google, Meta, and LinkedIn Ads.
Subject Line Tester
Score and optimize your email subject lines for better open rates.
PDF to Word
Convert PDF documents to editable Word files in your browser.
Merge PDF
Combine multiple PDF files into a single document.
Compress PDF
Reduce PDF file size by removing metadata and optimizing.
Image Compressor
Compress JPG, PNG, and WebP images with adjustable quality.
Image Resizer
Resize images to exact dimensions or social media presets.
Background Remover
Remove solid-color backgrounds from images instantly.
PDF to JPG
Convert each page of a PDF into high-quality JPG images.
Markdown Editor
Write Markdown with live preview, toolbar, and export options.
Character Counter
Count characters, words, sentences with platform limit tracking.
Image to Text (OCR)
Extract text from images using Tesseract.js OCR in your browser.
AI Summarizer
Summarize long text instantly using extractive summarization.
JPG to PNG
Convert images between JPG and PNG formats instantly.
Cron Expression Generator
Build cron schedule expressions visually with presets.
HTML to Markdown
Convert HTML code to clean Markdown format.
Image to PDF
Combine multiple images into a single PDF document.
UUID Generator
Generate UUID v4 identifiers in bulk with format options.
JWT Decoder
Decode and inspect JSON Web Tokens.
SQL Formatter
Format and beautify SQL queries.
YAML to JSON
Convert between YAML and JSON formats.
XML Formatter
Format and beautify XML documents.
CSV to JSON
Convert CSV data to JSON format.
Slug Generator
Generate URL-friendly slugs from text.
Chmod Calculator
Calculate Linux file permissions.
Binary/Hex/Decimal
Convert between number systems.
robots.txt Generator
Generate robots.txt for SEO.
AI Paraphraser
Rewrite text in different styles.
HEIC to JPG
Convert iPhone HEIC photos to JPG.
WebP to PNG
Convert WebP images to PNG format.
Color Palette Generator
Generate beautiful color schemes.
JSON to CSV
Convert JSON arrays to CSV format.
SVG to PNG
Convert SVG vector graphics to PNG.
Text to Binary
Convert text to binary and back.
Aspect Ratio Calculator
Calculate image/video aspect ratios.
Random Number Generator
Generate secure random numbers.
Pomodoro Timer
Productivity timer with intervals.
Border Radius Generator
Generate CSS border-radius visually.
Box Shadow Generator
Generate CSS box-shadow visually.
Timestamp Generator
Generate timestamps in various formats.
IP Address Lookup
Find your public IP and location.
JSON Validator
Validate and fix JSON syntax errors.
Word Frequency Counter
Analyze word frequency in text.
Text Repeater
Repeat text multiple times instantly.
HTML Beautifier
Format and beautify HTML code.
Epoch Converter
Convert Unix epoch to dates.
Markdown Table Generator
Create Markdown tables visually.
CSS Gradient Generator
Create CSS gradients visually.
Color Contrast Checker
Check WCAG accessibility contrast ratios.
CSS Unit Converter
Convert between px, rem, em, vw, and more.
Color Code Converter
Convert between HEX, RGB, HSL, and CMYK.
Placeholder Image Generator
Generate placeholder images for mockups.
Reading Time Calculator
Estimate reading and speaking time.
Number to Words
Convert numbers to written English words.
Markdown to HTML
Convert Markdown to clean HTML code.
Emoji Picker
Browse, search, and copy any emoji.
Password Strength Checker
Analyze password strength and crack time.
Invoice Generator
Create professional PDF invoices in browser.
NATO Phonetic Alphabet
Convert text to NATO alphabet.
JSON to YAML
Convert JSON to YAML format.
HTML to JSX
Convert HTML to React JSX code.
Number Base Converter
Binary, octal, decimal, hex converter.
URL Unshortener
Preview where shortened URLs lead.
Text to Handwriting
Convert text to handwriting style.
Pixel Ruler
On-screen pixel measurement ruler.
Color Blindness Simulator
Test color accessibility for CVD.
Coin Flip
Virtual coin toss for decisions.
Dice Roller
Roll D&D dice (d4-d100).
Typing Speed Test
Test your WPM and accuracy.
Fancy Text Generator
Stylish Unicode fonts for social media.
Morse Code Translator
Text to Morse code with audio.
Barcode Generator
Generate Code 128 barcodes.
GPA Calculator
Calculate grade point average.
Discount Calculator
Calculate sale price and savings.
Scientific Calculator
Advanced trig, log, and math.
Date Calculator
Days between dates, add/subtract days.
CSS Flexbox Generator
Visual flexbox layout builder.
CSS Grid Generator
Visual CSS grid layout builder.
Roman Numeral Converter
Roman to Arabic and back.
Text to ASCII Art
Create ASCII text banners.
Spin the Wheel
Random picker wheel for decisions.
Privacy Policy Generator
Generate a privacy policy for your site.
Electricity Cost Calculator
Calculate energy costs for appliances.
Running Pace Calculator
Calculate pace, speed, finish time.
Text Encryptor
AES-256 encrypt and decrypt text.
IP Subnet Calculator
Calculate subnets and CIDR ranges.
User Agent Parser
Parse browser UA strings.
HTTP Status Codes
Complete HTTP status reference.
To-Do List
Simple task manager in your browser.
Flashcard Maker
Create and study flashcards.
Online Whiteboard
Draw and sketch on a canvas.
JSON Path Finder
Explore JSON and find paths.
SVG Path Editor
Visualize and edit SVG paths.
JSON to TypeScript
Generate TS interfaces from JSON.
Crontab Guru
Build and explain cron expressions.
Text Line Sorter
Sort, deduplicate, filter text lines.
Image Color Picker
Pick colors from uploaded images.
Random Name Generator
Names, usernames, and fantasy names.
BPM Counter
Tap to find beats per minute.
Screen Resolution Checker
Check display and viewport info.
Interest Rate Calculator
Simple and compound interest.
CSS Animation Generator
Create keyframe animations visually.
HTML Table Generator
Generate tables with editable cells.
Progress Bar Generator
Custom animated CSS progress bars.
Text to Speech
Convert text to spoken audio.
String Length Counter
Count bytes, chars, words.
Regex Cheat Sheet
Interactive regex reference.
Quadratic Solver
Solve ax² + bx + c = 0 step by step.
Note Frequency Calculator
Find Hz of any musical note.
Gradient Text Generator
CSS gradient typography.
Pixel Art Maker
Create pixel art on grid canvas.
Random Image Generator
Placeholder photos from Unsplash.
Image Resize Calculator
Calculate dimensions with aspect ratio.
JSON Diff Checker
Compare two JSON objects.
Hashtag Counter
Count and analyze hashtags.
Link Extractor
Extract all URLs from text.
Data Size Formatter
Convert bytes to KB/MB/GB/TB.
Ratio Calculator
Solve proportions and simplify ratios.
Matrix Calculator
Add, subtract, multiply 2×2 matrices.
Fibonacci Generator
Generate Fibonacci sequence.
Neumorphism Generator
Soft UI CSS shadow generator.
Color Shades Generator
Generate tints and shades.
Text Reverser
Reverse characters, words, or lines.
JSON Escape / Unescape
Escape strings for JSON.
Word Scrambler
Cambridge-effect word scrambling.
Text Compare
Compare texts with diff highlighting.
Tax Calculator
US federal income tax estimator.
Investment Returns
Project growth with contributions.
Countdown to Date
Live countdown to any date.
Binary Translator
Text to binary and back.
Character Map
Browse Unicode symbols.
Text to Slug
Convert text to URL slugs.
JSON Escape
Escape/unescape JSON strings.
JSON Minifier
Minify or beautify JSON.
SVG Wave Generator
Generate wave section dividers.
Glassmorphism Generator
Frosted glass CSS effects.
Text Shadow Generator
CSS text-shadow effects.
Meta Tag Analyzer
Check a site meta tags.
YAML Validator
Validate YAML, convert to JSON.
PX to REM
Convert px to rem with table.
Password Hash Generator
SHA-256/512 hash generator.
Prime Number Checker
Check primes, find factors.
EMI Calculator
Monthly loan installments.
World Population Clock
Live population estimate.
Average Calculator
Mean, median, mode, std dev.
Aspect Ratio Finder
Find ratio from dimensions.
Gradient Border
CSS gradient borders.
Meme Text Generator
Add meme text to images.
SVG Blob Generator
Organic blob shapes.
Business Name Generator
Creative name ideas.
New Year Countdown
Live countdown to New Year.
Character Frequency
Analyze character distribution.
Whitespace Remover
Clean up messy text.
Color Name Finder
Find closest CSS color name.
Typing Practice
Practice with custom passages.
CSS Filter Generator
Blur, brightness, contrast effects.
Live HTML Preview
Write HTML and see live result.
Free Browser-Based Tools — No Signup Required
Toolist offers a collection of 220+ free online utilities that run entirely in your browser. No accounts, no tracking, no data collection. Every tool works offline after the page loads because all processing happens client-side with JavaScript. Whether you are a developer formatting JSON, a writer counting words, or someone who needs a quick calculation, our tools are built to be fast, private, and easy to use.
Our tools are organized into seven categories: Developer Tools (JSON formatter, Base64 encoder, hash generator, HTML entity encoder, CSS minifier, regex tester, URL encoder, Markdown preview, and diff checker), Text Tools (word counter, case converter, and lorem ipsum generator), Calculators (age, BMI, tip, percentage, compound interest, mortgage, ROI, salary, and loan calculators), Health & Fitness (calorie, body fat, BMR, due date, and ideal weight calculators), Generators (password and QR code generators), Converters (Unix timestamp converter and color picker), Unit Converters (temperature, weight, length, area, volume, speed, data size, time, energy, and pressure), and Marketing Tools (UTM builder, meta tag generator, social media image resizer, hashtag generator, email signature generator, headline analyzer, A/B test calculator, Open Graph preview, CTA generator, and ad copy character counter).
Frequently Asked Questions
Are all the tools really free?
Yes, every tool is 100% free to use with no limits, no signup, and no hidden costs. We support the site through non-intrusive advertising.
Is my data safe?
All tools run entirely in your browser. No data is uploaded to any server. Your input never leaves your device, making these tools safe for sensitive information like passwords and private text.
Do I need to create an account?
No. Every tool works instantly without any registration, login, or email. Just open the page and start using the tool right away.
Can I use these tools on mobile?
Yes, all tools are fully responsive and work on phones, tablets, and desktop computers. The interface adapts to any screen size for a seamless experience.
How many tools are available?
We currently offer 180+ free tools across eight categories: Developer Tools, Text Tools, Calculators, Health & Fitness, Generators, Converters, and Unit Converters. We regularly add new tools based on user feedback and demand.