Free Online Utility Tools
A collection of powerful, easy-to-use tools to help you work smarter and faster. No sign-up required.
Showing 231 tools
Robot Voice Generator
Generate robot voice from text with adjustable pitch and speed. Perfect for videos, games, and animations.
Iframe Generator
Generate responsive, secure iframe embed code with sandbox flags, lazy loading, and live preview.
Box Shadow Generator
Create multi-layer CSS box-shadows with presets, inset support, opacity control, and live preview.
Mortgage Calculator
Calculate monthly mortgage payment with PMI, taxes, insurance, HOA, and amortization schedule export.
401(k) Calculator
Project 401(k) retirement balance with employer match, fees, and inflation adjustment. Export to CSV.
Rent vs Buy Calculator
Compare renting vs buying by modeling rent growth, mortgage costs, appreciation, and investment returns. Export to CSV.
House Affordability Calculator
Estimate how much house you can afford from a monthly payment budget including taxes, insurance, HOA, and PMI.
Refinance Calculator
Estimate refinance savings, break-even time, and compare your current mortgage to a new rate and term.
Closing Cost Calculator
Estimate buyer closing costs with an itemized breakdown of fees, prepaids, and escrow deposits. Export to CSV.
Debt Payoff Calculator
Plan a debt payoff strategy using snowball or avalanche. Add multiple debts, set a monthly budget, and export a yearly snapshot.
Credit Card Payoff Calculator
Calculate credit card payoff time and total interest. Pay off by monthly payment or by target months, with CSV export.
Student Loan Calculator
Calculate student loan payment, payoff time, and total interest with extra monthly payments and amortization CSV export.
Profit Margin Calculator
Calculate profit, profit margin, and markup from revenue and cost. Includes target margin scenarios and CSV export.
Freelance Rate Calculator
Estimate a sustainable freelance hourly rate using taxes, overhead, utilization, and profit buffer. Export scenarios to CSV.
Retirement Calculator
Project retirement savings and estimate a target nest egg with inflation, fees, Social Security, and CSV export.
Numbers to Words Converter
Convert numeric amounts into cheque-ready words with locale and currency support for finance, legal, and education teams.
String Length Calculator
Count characters, words, lines, sentences, and UTF byte size for any string or pasted text.
Text Summarizer
Summarize articles, long paragraphs, and research notes into concise key sentences.
Word Combiner
Mix word lists into brand names, keyword combinations, naming ideas, and domain-style phrases.
Punctuation Checker
Review punctuation mistakes, repeated punctuation, sentence endings, and spacing issues in drafts.
Sentence Checker
Check sentence clarity, readability, repeated words, and sentence-level writing quality.
Essay Checker
Review essays for readability, punctuation, repeated words, and revision opportunities before submission.
Paper Checker
Check papers, reports, and academic drafts for readability and common writing issues.
Citation Generator
Generate APA, MLA, and Chicago citations with matching in-text references for online sources.
Online Notepad
Write, autosave, copy, and download notes in a simple browser-based writing pad.
Invisible Character Generator
Copy blank text, zero-width spaces, and hidden Unicode characters for formatting and testing.
XML Validator
Validate, prettify, highlight, and minify XML feeds, SOAP envelopes, and sitemaps before deployment.
WordPress Hash Generator
Generate and verify WordPress-compatible phpass hashes with configurable iteration rounds right in the browser.
Random Binary Generator
Create binary strings with grouping, 0b prefixes, and base conversions for QA datasets and embedded experiments.
Webcam Tester
Test your webcam, switch devices, mirror previews, and capture diagnostic snapshots before calls or streams.
Word Shuffler
Randomly shuffle words in text with multiple modes and real-time preview
Cursive Text Generator
Convert text to beautiful cursive handwriting using Google's Dancing Script font. Download as image.
YAML to JSON Converter
Convert YAML to JSON with real-time validation and syntax highlighting
LinkedIn Text Formatter
Format LinkedIn posts with bold, italic, bullets, and hashtags
All-In-One Image Processor
Compress, resize, and convert images in one workflow
California Random Address Generator
Generate random California addresses from 15 major cities
Florida Random Address Generator
Generate random Florida addresses from 15 major cities
Pictionary Word Generator
Generate random words for Pictionary games with timer and scoring
Random Zip Code Generator
Generate random US ZIP codes from all 50 states
Word Counter
Count words, characters, and paragraphs in your text.
Image Resizer
Resize your images to any dimension while maintaining quality.
Text Diff Checker
Compare two texts and find differences side by side.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text for your designs.
Color Contrast Checker
Check color contrast ratios for WCAG 2.1 compliance.
File Size Converter
Convert file sizes between different units (B, KB, MB, GB, TB).
Random Phone Number Generator
Generate random US phone numbers with area codes instantly.
Random 3 Digit Number Generator
Generate random 3-digit numbers for codes, PINs, and more.
Random 4 Digit Number Generator
Generate random 4-digit numbers for codes, PINs, and more.
Random 5 Digit Number Generator
Generate random 5-digit numbers for codes, PINs, and more.
Random 6 Digit Number Generator
Generate random 6-digit numbers for codes, PINs, and more.
Random Excuse Generator
Generate funny random excuses for work, school, or fun.
RGBA to HEX Color Converter
Convert RGBA colors to HEX format instantly.
CMYK to Pantone Converter
Find closest Pantone matches from CMYK with ranked color suggestions and swatch preview.
CSS Minifier
Minify your CSS code instantly and reduce file size.
Image to Base64 Converter
Convert images to Base64 strings instantly.
REM to PX Converter
Convert rem to px and px to rem with a custom root font size and scale table.
Text to Image Converter
Turn quotes, notes, and plain text into downloadable PNG images with simple styling controls.
QR Code Generator
Generate QR codes for URLs, text, and more.
Text Case Converter
Convert text between different cases instantly.
URL Encoder & Decoder
Encode and decode URLs instantly.
Color Palette Generator
Generate beautiful color palettes for your designs.
Base64 Converter
Encode and decode Base64 strings instantly.
JSON Formatter & Validator
Format, validate, and beautify your JSON data.
JWT Token Decoder
Decode and verify JWT tokens instantly.
Random Password Generator
Generate strong, random passwords instantly.
Random String Generator
Generate bulk random strings with custom charset, prefix-suffix rules, and export options.
Markdown to HTML Converter
Convert Markdown text to HTML with live preview.
Mirrored Text Generator
Transform your text with mirrored and reversed effects.
Convert Timestamp to Date-Time
Quickly convert UNIX timestamps to human-readable dates.
Convert PDF to XML Format
Convert PDF files to XML format easily.
API Endpoint Tester
Test your API endpoints with different HTTP methods, headers, and request body.
Hash Generator
Generate MD5, SHA-1, and SHA-256 hashes from your text.
JSON to CSV Converter
Convert JSON to CSV from text or from file
Keyword Density Checker Free
Analyze keyword density in text for SEO optimization for free.
UUID Generator Tool
Generate RFC 4122 compliant UUIDs for developers. Support for v1, v4, and v5 versions.
Password Strength Checker
Check your password security and get improvement suggestions instantly.
Regex Pattern Validator
Test and validate regex patterns with live matching and syntax highlighting.
Binary Code Translator
Convert text to binary code and binary to text instantly with character breakdown.
IP Lookup Tool
Reveal geolocation, ISP, ASN, timezone, and security signals for any IPv4 or IPv6 address.
ASCII to HEX Converter
Translate ASCII strings to hexadecimal bytes or decode hex payloads back to text with live formatting controls.
Palindromic Number Checker
Check if a number is a palindrome or generate palindrome numbers in a range.
Random Name Picker
Pick random names for giveaways, classrooms, or groups. Easy picker wheel and instant winner!
Remove Accents (Diacritics) from Text
Clean text by removing accents/diacritics from characters instantly.
WhatsApp Link Generator
Create click-to-chat WhatsApp links with a pre-filled message.
Random Team Generator
Split a list of names into balanced random teams in one click.
Word to Number Converter
Convert English number words (e.g., 'one thousand') into digits.
Remove Duplicate Lines
Delete duplicate lines from text. Keep unique lines only.
Slug Generator
Convert text into clean, SEO-friendly URL slugs instantly.
URL Parser
Break down a URL into protocol, host, path, query, and hash.
UTM Builder
Build trackable campaign URLs with UTM parameters.
HTTP Status Code Explainer
Look up HTTP status codes and their meanings quickly.
HTTP Header Checker
Inspect response headers, redirects, and security header coverage for any URL.
Browser Window Size Checker
Measure viewport width, height, DPR, and active responsive breakpoint live.
Screen Resolution Tester
Preview websites at common device sizes and custom viewport dimensions.
DNS Lookup Tool
Lookup A, AAAA, MX, NS, TXT, and CNAME records with resolver diagnostics.
MX Lookup Tool
Check mail exchange records and routing priorities for any domain.
NS Lookup Tool
Verify authoritative nameserver delegation for domains and migrations.
Reverse IP Lookup Tool
Resolve PTR records to map IPv4/IPv6 addresses to hostnames.
MAC Address Lookup Tool
Find OUI vendor details from MAC address prefixes.
Domain IP Lookup
Find IPv4 and IPv6 addresses for any website or hostname from DNS records.
JSON Path Tester
Evaluate JSONPath expressions against JSON payloads and inspect matched nodes.
IEEE-754 Analysis Tool
Break float32 and float64 values into sign, exponent, and mantissa bits.
URI Template Parser
Expand URI templates into real URLs with editable variables and copy-ready output.
Redirect Generator
Generate 301 and 302 redirect snippets for Apache, Nginx, Netlify, Vercel, JS, and HTML.
HTML Viewer
Paste raw HTML and preview the rendered output instantly inside a safe iframe.
Random JSON Generator
Generate random JSON objects for testing and prototyping.
Fake Credit Card Generator
Generate fake credit card numbers for testing payment forms and development.
Text to ASCII Art Generator
Convert your text into stunning ASCII art with multiple font styles instantly.
Fake Social Media Post Generator
Generate realistic fake social media posts for Twitter, Instagram, Facebook & LinkedIn. Perfect for mockups and presentations.
Morse Code Translator
Translate text to Morse code and decode Morse back to text with audio playback.
CSV To HTML Table Generator
Convert CSV data into a styled HTML table instantly
Text Repeater
Repeat any text a specified number of times instantly.
Text To Emoji Translator
Convert plain text into a string of relevant emojis instantly.
Remove Extra Spaces
Remove multiple spaces, tabs, and line breaks from your text instantly
HTML Entity Encoder Decoder
Encode or decode HTML entities for safe web display
Regex Pattern Generator
Create and test regular expressions for email validation, phone numbers, passwords, and more.
Daily Habit Tracker
Track your daily habits, build streaks, and monitor progress without signup.
Pomodoro Timer
Boost productivity with 25-minute focus sessions and customizable break intervals.
Age Calculator
Calculate exact age from date of birth in years, months, days, and more.
IP Address Generator
Generate random IP addresses for testing, development, and network simulation.
Random MAC Address Generator
Generate random MAC addresses with OUI prefix lock, multicast-unicast controls, and bulk export.
Credit Card Validator
Validate credit card numbers using Luhn algorithm. Check card type and validity.
Email Extractor
Extract email addresses from text, documents, and web content with advanced filtering.
Reverse Text Generator
Reverse text by characters, words, or lines. Copy or download instantly.
Bold Text Generator
Convert plain text into bold Unicode letters for social captions and bios.
Subscript Text Generator
Convert letters and numbers into Unicode subscripts for formulas and notes.
Superscript Text Generator
Transform characters into Unicode superscripts for exponents and references.
Title Case Converter
Format sentences into AP-style title case headlines instantly.
Typewriter Text Generator
Swap text into nostalgic monospace typewriter-style characters.
Underline Text Generator
Add Unicode underline combining marks to highlight important text.
Unicode Text Converter
Inspect Unicode code points, formats, and character names for any string.
Whitespace Remover
Clean text by trimming lines, removing blank rows, and collapsing spaces.
Wide Text Generator
Stretch text with fullwidth Unicode characters for bold visual impact.
Wingdings Converter
Translate text into Wingdings-style Unicode symbols for playful messages.
X & Twitter Font Generator
Style tweets and bios with bold, italic, script, sans, or circled Unicode fonts.
Zalgo Glitch Text Generator
Glitch text with customizable Zalgo combining mark intensity and direction.
Time Zone Converter
Convert dates and times across global time zones with daylight saving support.
Strikethrough Text Generator
Strike out text using Unicode overlays for posts, notes, and emphasis.
Upside Down Text Generator
Flip your text upside down using Unicode lookalikes.
Meta Tag Generator
Create SEO meta tags: title, description, keywords, author, robots.
HTML Minifier
Compress HTML by removing comments and collapsing whitespace with live byte savings.
Robots.txt Generator
Generate custom robots.txt files with crawl rules and sitemaps
Open Graph Meta Tag Generator
Generate Facebook Open Graph & Twitter Card meta tags with live card preview
.htaccess Redirect Generator
Generate 301, 302, HTTPS, and WWW rewrite rules for Apache web servers
CSV to JSON Converter
Convert CSV spreadsheets into clean, formatted JSON arrays or objects
JavaScript Minifier
Minify JavaScript code to reduce file size and increase load speed
Camel, Snake & Kebab Case Converter
Convert text into camelCase, snake_case, kebab-case, and PascalCase
HEX to RGB & RGBA Converter
Convert HEX color codes into CSS RGB and RGBA values with color picker
SVG Placeholder Image Generator
Generate custom SVG placeholder images with dimensions and color controls
Readability Score Checker
Calculate Flesch-Kincaid Reading Ease score and Grade Level for articles
Schema.org JSON-LD Generator
Generate Google-rich snippet Schema.org JSON-LD structured data code
SQL Formatter & Prettifier
Format, beautify, and clean up unformatted SQL queries for MySQL, Postgres, and SQLite
Markdown Table Generator & CSV Converter
Create, format, and convert Markdown tables visually for GitHub READMEs and docs
Cron Expression Generator & Explainer
Build, test, and translate crontab cron expressions with instant plain-English explanations
User Agent Parser & Detector
Parse HTTP User-Agent strings to detect browser, version, OS, engine, and device type
cURL to JavaScript Fetch & Axios Converter
Convert cURL commands into JavaScript fetch(), Axios, Python requests, and PHP code
HTML to Markdown Converter
Convert raw HTML markup and web articles into clean Markdown text
CSS Glassmorphism UI Generator
Design modern frosted glass UI elements with backdrop-filter blur and transparency controls
Text Diff Checker & Comparison Tool
Compare two text documents or code snippets line-by-line with color-coded diff highlights
CSS Clamp() Calculator & Fluid Typography Generator
Calculate CSS clamp() formulas for responsive fluid typography and spacing
JSON to TypeScript Interface Generator
Convert raw JSON objects into strongly-typed TypeScript interfaces and type aliases
Compound Interest Calculator
Calculate compound interest, monthly contributions, APY growth, and investment future value
Sales Tax Calculator & Reverse Tax Estimator
Calculate sales tax, state rates, local surtax, and reverse tax amounts from receipts
ROI Calculator (Return on Investment & CAGR)
Calculate total ROI, annualized ROI, net profit, and investment multiples with scenario modeling
Auto Loan Calculator & Car Payment Estimator
Calculate monthly auto loan payments, APR interest, down payments, trade-ins, and amortization
Subnet Calculator (IPv4 CIDR & Netmask)
Calculate IPv4 subnets, CIDR blocks, usable host ranges, broadcast addresses, and binary netmasks
Google SERP Simulator & Snippet Previewer
Preview how your page appears on Google desktop and mobile search results with pixel width checks
Security Headers Generator & CSP Builder
Generate hardened HTTP security headers (CSP, HSTS, X-Frame-Options) for Nginx, Apache, and Next.js
Crypto Profit Calculator & Fee Estimator
Calculate cryptocurrency profits, losses (P&L), exchange trading fees, and break-even exit prices
Salary to Hourly Calculator
Convert annual salary to hourly wage or hourly rate to salary with bi-weekly, overtime, and PTO breakdowns
CSS Gradient Generator & Color Palette Maker
Create linear, radial, and conic CSS gradients with multi-stop color controls and Tailwind export
Break-Even Calculator & Margin Analyzer
Calculate break-even units, revenue threshold, margin of safety, and target profit sales volume
Free Invoice Generator & PDF Maker
Create professional invoices with customizable line items, tax, discounts, client notes, and instant print/PDF
Percentage Calculator & Change Estimator
Calculate percentage increases, decrease, ratios, and relative changes instantly
Inflation Calculator & Purchasing Power Tool
Calculate compound inflation, purchasing power loss, and future dollar equivalent over time
Discount & Sale Price Calculator
Calculate markdown prices, stacked double discounts, sales tax additions, and total money saved
Tip & Bill Split Calculator
Calculate tip gratuity, split checks among diners evenly, and round up totals with tipping guide
Loan Comparison Calculator
Compare two loan offers side-by-side with interest rates, loan terms, and total amortized costs
Simple Interest Calculator
Calculate simple interest growth, maturity values, and interest schedules for savings and personal loans
Fuel Cost & Trip Gas Calculator
Calculate road trip fuel expense, cost per passenger, required gallons/liters, and round-trip costs
BMR Calculator & Daily Calorie Needs
Calculate Basal Metabolic Rate and Total Daily Energy Expenditure (TDEE) based on activity level
BMI Calculator & Healthy Weight Range
Calculate Body Mass Index for adults in metric or imperial with WHO weight category breakdown
Daily Water Intake Calculator
Calculate personalized daily hydration targets based on body weight, exercise duration, and climate
Sleep Cycle & Bedtime Calculator
Calculate optimal bedtime and wake-up times aligned with 90-minute natural REM sleep cycles
Date Difference & Day Counter
Calculate exact days, business working days, weeks, and elapsed duration between two calendar dates
Universal Unit Converter
Convert length, mass, temperature, speed, volume, and digital storage units accurately
Aspect Ratio Calculator & Dimension Resizer
Calculate proportional aspect ratios, CSS padding-top hacks, and display resolutions for design & video
Regex Tester & Regular Expression Matcher
Test, evaluate, and debug regular expressions in real-time with capture groups and regex flags
Cron Expression Explainer & Schedule Humanizer
Translate crontab schedules into plain English sentences and calculate upcoming execution timestamps
UTM Parameter Parser & URL Builder
Inspect, parse, edit, and rebuild Google Analytics UTM tracking links and query parameters
Cryptographic Hash Identifier & Analyzer
Identify MD5, SHA-1, SHA-256, bcrypt, Argon2, and checksum algorithms with NIST security ratings
Compound Annual Growth Rate (CAGR) Calculator
Calculate annualized investment returns, real inflation-adjusted CAGR, and compounding schedules
Emergency Fund Calculator & Safety Buffer
Calculate 3, 6, 9, or 12-month cash reserves based on essential monthly expenses and career stability
SIP Calculator & Dollar Cost Averaging (DCA)
Calculate mutual fund and ETF compound growth with annual step-up contribution options
Personal Net Worth Calculator
Calculate personal net worth from assets and liabilities with debt-to-asset leverage ratios
Savings Goal Calculator & Deposit Planner
Calculate required monthly, weekly, and daily savings targets with compound HYSA interest
Home Down Payment Calculator
Calculate down payment tiers, closing costs, PMI thresholds, and monthly house savings targets
Loan Amortization Schedule Calculator
Calculate principal & interest amortization schedules with extra payments and CSV spreadsheet export
Markup & Margin Calculator
Convert markup percentage to profit margin, calculate cost of goods, and target selling prices
Work Hours & Weekly Timesheet Calculator
Calculate daily hours, weekly totals, unpaid lunch deductions, and overtime pay
College & High School GPA Calculator
Calculate weighted and unweighted GPA on a 4.0 scale with cumulative transcript projections
Calorie Deficit Calculator & Weight Loss Planner
Calculate daily calorie intake for weight loss, goal completion date, and protein macros
Body Fat Percentage Calculator (US Navy)
Calculate body fat percentage, lean mass, and fitness categories using circumference readings
Macronutrient (Macro) Calculator (IIFYM)
Calculate daily grams and per-meal targets of protein, carbohydrates, and dietary fats
Running Pace & Race Split Calculator
Calculate pace per mile/km, predict finish times, and generate splits for 5K to marathon
Ovulation & Fertile Window Calculator
Predict peak ovulation days, identify 6-day fertile windows, and forecast menstrual cycles
Age in Days Calculator & Life Milestones
Calculate total days, hours, and seconds lived, day of week born, and birthday countdown
SVG to PNG Converter Online
Convert vector SVG code or files into high-resolution PNG or JPEG images with transparency
Linux Chmod Permissions Calculator
Generate octal and symbolic Linux file permissions with copyable bash terminal commands
CSV to SQL Converter & Table Generator
Convert CSV data into SQL CREATE TABLE schemas and multi-row batch INSERT INTO statements
Reading Time & Speech Duration Calculator
Calculate silent reading time and spoken speech duration from text word counts
Code to Image Converter
Convert code snippets into beautiful social media screenshots with themes, gradients, and window frames
CSS Clip-Path Generator & Polygon Maker
Create custom geometric shapes, diagonal sections, and polygon masks with draggable visual control points
CSS Neumorphism & Soft UI Generator
Design tactile Soft UI cards, buttons, and elements with dual directional highlights and box-shadows
CSS Border-Radius & Fancy Blob Generator
Generate fluid organic shapes and keyframe morphing animations with the 8-value border-radius syntax
CSS Animation & Keyframe Generator
Build hardware-accelerated CSS keyframe animations with easing curves, duration controls, and live element preview
Markdown Previewer & Live Editor
Write, edit, and preview Markdown with real-time HTML rendering, formatting shortcuts, and .md download
HTML to JSX Converter
Transform standard HTML5 and SVG code into clean React JSX with className mapping and style objects
Base64 to Image Converter
Decode Base64 strings and Data URIs back into PNG, JPG, or SVG images with live preview and download
Image Color Extractor & Palette Generator
Extract dominant color palettes and inspect individual pixel hex codes from any image with an eyedropper
Dummy JSON Generator
Generate realistic mock JSON datasets for frontend UI prototypes, database seeding, and REST API testing
SVG Path Visualizer & Inspector
Inspect and visualize SVG path commands (M, L, C, Z) on an interactive coordinate grid with length calculation
SVG Optimizer & Minifier
Clean and minify bloated SVG vector code from Illustrator and Figma for high-speed web production
Social Share & Open Graph Previewer
Simulate social links on Twitter, Facebook, LinkedIn, Discord, and Google SERPs with copyable meta tags
Barcode Generator & Label Maker
Generate scannable Code 128 barcodes for retail products, inventory SKUs, and badges with SVG/PNG download
Favicon & Apple Touch Icon Generator
Create browser tab favicons and mobile app icons from emojis or initials with multi-size PNG bundle downloads
Text to Speech Reader & Synthesizer
Convert written text into natural spoken audio with voice selection, speed controls, and zero character limits
Audio Tone Generator & Frequency Synthesizer
Generate pure sound frequencies from 20 Hz to 20,000 Hz with real-time oscilloscope waveform visualizer
Digital Stopwatch & Lap Split Timer
High-precision digital chronometer with millisecond accuracy, fastest/slowest lap tracking, and CSV export
.env to Docker Compose Converter
Transform .env files into Docker Compose configurations and generate sanitized .env.example templates
Decision Wheel Spinner & Picker
Spin the wheel of fortune to make random choices with physics deceleration, sound ticks, and victory confetti