Explore All Free Online Tools

Line Break Remover

Remove line breaks, clean up extra spaces and consolidate text.

Binary To Text Converter

Decode binary numbers (0s and 1s) into readable plain text.

Remove Empty Lines

Delete empty lines and blank spaces from your text.

Add Text To Beginning / End of Lines

Bulk prepend and append text to every line.

Find Text and Replace

Search for words and replace multiple matches in bulk.

MD5 Hash Generator

Create MD5 hashes (checksums) from any text instantly.

URL Encoder Decoder

Encode or decode URLs and special characters for the web.

Reverse Text Generator

Reverse text, flip words, or create backward and upside-down text.

Line Sorter

Sort lines alphabetically, numerically, in reverse or random order.

Text Cleaner

Remove extra spaces, line breaks, special characters and unwanted formatting.

Remove Duplicate Lines

Remove repeated lines and deduplicate lists instantly.

Text Compare

Find the differences between two texts line by line.

Case Converter

Convert text to upper, lower, title, sentence, camel, snake or kebab case.

Word Counter

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

Screen Spec Overlay

Overlay your UI designs onto mobile device frames to preview screen specs and alignment.

Image Aspect Ratio Calculator

Calculate image aspect ratios, find missing dimensions or convert resolutions.

Sprite Sheet Cutter

Split sprite sheets into separate transparent PNG tiles with precision and ease.

Placeholder Image Generator

Create custom placeholder images by specifying dimensions, colors and text.

Favicon Generator

Generate and download all required favicon sizes (16×16 to 512×512 & ICO) in one click.

SVG Path Minifier

Compress SVG code and path data instantly by simplifying coordinates and removing metadata.

Image Dimension Checker

View image width, height, aspect ratio, megapixels, file size and format instantly.

Bulk Rename Images

Rename multiple images at once with a custom prefix, suffix and numbering sequence.

Image Alt Text Generator

Create SEO-friendly alt text variations for images to improve accessibility and rankings.

AI Image Metadata Remover

Remove AI generation metadata, EXIF tags and hidden chunks by re-encoding cleanly.

Color Picker From Image

Extract HEX, RGB and HSL color codes instantly by clicking any pixel on your image.

Exif Data Viewer

Read photo metadata (camera model, lens, exposure, date, GPS and resolution) from images.

Resize Image Dimensions

Quickly adjust width and height of JPG, PNG and WebP images without losing quality.

DataURL Fixer

Automatically detect and repair missing or corrupted DataURL headers to restore Base64 data.

Image to Base64 Converter

Convert images to Base64 strings or decode Base64 data back into image files.

PST to EST

Instantly convert PST/PDT (Pacific) to EST/EDT (Eastern) time zones.

24 To 12 Hour Converter

Convert 24-hour military time to 12-hour AM/PM format and back instantly.

Decimal Time Converter

Convert hours, minutes & seconds to decimal hours and back for payroll & work logs.

GMT to EST/PST

Convert London GMT/UTC time to US Eastern (EST), Central (CST) and Pacific (PST) time zones.

Forex Time Zone Converter

Check global forex market hours (Sydney, Tokyo, London, New York) in your target time zone.

EST to CST Time

Convert between US Eastern (EST/EDT) and Central (CST/CDT) time zones instantly.

Time Zone Converter

Convert time accurately across major global time zones.

Power Converter

Convert between Watts, Kilowatts, Megawatts, Horsepower and BTU/h accurately.

Pressure Converter

Convert PSI, Bar, ATM, Pascal (Pa), kPa and Torr for engineering & HVAC.

Energy Converter

Convert Joules, Kilojoules, Calories, kcal, Watt-hours, kWh and BTU.

Angle Converter

Convert between degrees, radians, gradians, turns, arcminutes and arcseconds.

Data Storage Converter

Convert Bytes, KB, MB, GB, TB, PB and bits instantly.

MIME Type Checker

Detect true MIME types by file signature (magic bytes) or look up extensions & MIME headers.

Touch Screen Test

Multi-touch diagnostic canvas to draw freely, find dead zones and log active touch/pointer inputs.

HTTP Status Code Checker

Check the HTTP status code, redirect chain and response headers of any URL instantly.

What is my User Agent

Identify your current browser User Agent string, OS, viewport and device specifications.

CSS Glassmorphism Generator

Design frosted-glass UI effects interactively and copy the ready-to-use CSS code.

ASCII to Hex Converter

Convert ASCII text characters to hexadecimal byte codes instantly.

Binary to ASCII Converter

Decode binary numbers (0s and 1s) into readable ASCII text instantly.

Hex to ASCII Converter

Convert hexadecimal byte values into readable ASCII text.

ASCII Converter

Convert text to ASCII decimal, hex or binary codes, and decode ASCII numbers back to text.

Hex To Text Converter

Decode hexadecimal strings to plain text or encode text into hexadecimal.

JSON Validator

Check JSON syntax, pinpoint errors and verify JSON data structure.

JSON Formatter

Beautify, minify, validate and format JSON code instantly.

SHA-256 Hash Generator

Create cryptographic 256-bit SHA-256 hashes (checksums) from any text.

HTML Encode

Encode special characters to safe HTML entities or decode HTML entities back to text.

Base64 Encoder Decoder

Encode text to Base64 or decode Base64 strings back to original text.

Discord Time Converter

Generate auto-localized Discord timestamp tags (<t:unix:F>) from any date & time.

Unix Time Converter

Convert Unix timestamps (seconds or milliseconds) to UTC/local dates and vice versa.

JS Minify

Compress JavaScript code by removing comments and unnecessary whitespace.

CSS Minifier

Minify CSS stylesheets to reduce file size and boost page speed.

URL Slug Generator

Create SEO-friendly, clean, readable URL slugs for websites and blogs.

Minify HTML

Compress HTML code by removing comments and collapsing whitespace.

Factor Calculator

Find all divisors, factor pairs, prime factorizations and GCF / LCM of numbers instantly.

Rent vs Buy Calculator

Compare the total financial cost of renting versus buying a home over time.

Graphing Calculator

Plot multiple math equations interactively, inspect curves and find intersections.

Scientific Calculator

Solve complex math expressions, algebra, trigonometry, logarithms and powers instantly.

Macro Calculator

Calculate optimal daily calories, protein, carbs and fat for weight loss, muscle gain or maintenance.

Running Pace Calculator

Calculate running pace per km/mile, speed and race finish splits for 5K, 10K, Half & Full Marathon.

Bra Size Calculator

Calculate US, UK and EU bra sizes from underbust and bust measurements.

Stone Calculator

Aggregate estimator for gravel, crushed rock or river stone in cubic yards and tons.

Stair Stringer Calculator

Calculate stair step count, exact riser height, tread run and stringer board length with IRC checks.

Google Maps Distance Calculator

Calculate straight-line Haversine distance and estimated driving distance between two coordinates.

Distance Formula Calculator

Calculate exact Euclidean distance, midpoint and slope between two (X, Y) coordinates.

Volume of Triangular Prism Calculator

Calculate the volume and surface area of a triangular prism from base, height and length.

Volume of Drum Calculator and Formula

Calculate barrel or 55-gallon drum capacity in US gallons, liters, cubic feet and cubic inches.

Volume of Cone Calculator

Calculate the volume, slant height and surface area of any cone or funnel.

Volume of Sphere Calculator

Calculate exact sphere volume, surface area and circumference from radius.

Calculation Volume of Cylinder

Calculate cylinder volume, lateral area, total surface area and liquid capacity.

Milliliters to Ounces Calculator

Bi-directional converter between milliliters (mL) and US/UK fluid ounces (fl oz).

Grams to Ounces Calculator

Bi-directional weight converter between grams (g) and ounces (oz) / pounds.

kg to lbs Calculator

Convert kilograms (kg) to pounds (lbs) & ounces, or pounds to kilograms.

Area Calculator

Calculate the area of a rectangle, circle, triangle, trapezoid or ellipse.

Variance Calculator

Calculate sample variance (s²), population variance (σ²), standard deviation and sum of squares.

Standard Deviation Calculator

Calculate sample (s) and population (σ) standard deviation, variance and mean with formula breakdown.

Mean Calculator

Calculate arithmetic mean, median, mode, range, min, max and sorted dataset.

Log Calculator

Calculate logarithms log_b(x) for any base, plus log₁₀(x), log₂(x) and natural log ln(x).

llms.txt Generator

Create a standard /llms.txt file to guide LLMs and AI agents through your site documentation.

Free QR Code Generator

Generate custom QR codes for URLs, text, Wi-Fi and vCards locally in your browser.

Barcode Generator

Create downloadable Code 128 barcodes on canvas & SVG with custom text and height.

Regex Generator

Generate, test and explain regular expressions using presets or custom patterns.

JWT Debugger & Signer

Decode, inspect, edit and sign JSON Web Tokens (HS256) locally in your browser.

Client-Side Large File PII Masker

Anonymize logs, CSVs and text by masking emails, IPv4 addresses, phone numbers, credit cards & SSNs.

Web Crypto Key and Pair Generator

Generate RSA-PSS, ECDSA (P-256) key pairs or AES-GCM-256 keys with instant JWK export.

Morse Code Translator

Translate English text to International Morse code (dots and dashes) or decode Morse back to text.

MLA Citation Generator

Format accurate MLA 9th-edition citations for websites, books and journal articles.

MD5 Checksum Generator

Generate an MD5 checksum from text and optionally verify it against an expected hash.

Serial Key Generator

Create random software license and product activation keys in bulk.

.htaccess Redirect Generator

Generate Apache .htaccess 301/302 redirects, HTTPS enforcement and www canonical rules.

Robots.txt Generator

Create custom robots.txt files to control search engine crawlers and declare your sitemap.

Lorem Ipsum Generator

Generate custom dummy placeholder text paragraphs for designs and mockups.

CSS Gradient Generator

Create linear and radial CSS background gradients with live preview and ready-to-copy code.

Hex RGB Color Picker

Interactive color picker with instant HEX, RGB and HSL conversion and harmony swatches.

Nickname Generator For Games

Generate cool, unique gamertags and gaming nicknames in one click.

Random Name Generator

Generate realistic random full names for profiles, characters and test data.

Random UUID Generator

Create cryptographically random RFC 4122 version 4 UUIDs with one click.

Password Strength Checker

Test password entropy, estimated crack time and security weaknesses locally in your browser.

Random Password Generator

Create secure, strong random passwords in your browser with customizable length and character sets.

Dice Roller

Roll virtual dice (D4, D6, D8, D10, D12, D20, D100) for tabletop RPGs and board games.

Mouse Click Test

Test your mouse clicking speed (CPS) and detect faulty double-click hardware chatter.

Screen Refresh Rate Test

Benchmark your monitor refresh rate (Hz) and real-time display FPS locally in the browser.

WPM Typing Test

Measure your typing speed in Words Per Minute (WPM), CPM and character accuracy in real time.

Burnout Risk Assessment

Evaluate workplace stress, exhaustion and recovery habits with a confidential self-assessment.

Dog Breed Compatibility Finder

Find the best dog breeds for your home space, activity level, shedding tolerance and lifestyle.

Apartment Move-In Inspection Checklist

Interactive room-by-room rental move-in inspection checklist you can complete and print to protect your deposit.

Candle Burning Time Calculator

Estimate total candle burn time and recommended wax/fragrance weights by wax type and weight.

Garden Sun Map Helper

Classify your backyard sun exposure zone and get tailored vegetable, herb and flower recommendations.

Cat Age in Human Years

Calculate your cat’s equivalent human age and life stage based on feline veterinary guidelines.

Dog Age in Human Years

Calculate your dog’s age in human years accounting for breed size (small, medium, large, giant).

Color Blind Test

Interactive Ishihara-style dot plate screening test to check red-green color vision locally.

Dead Pixel Checker (Screen Test)

Full-screen solid color cycle tester to spot dead, stuck or hot pixels on LCD, OLED and 4K displays.

Lined Sheets Of Paper Printable

Customize and print or download College Ruled, Wide Ruled, Narrow, Cornell Notes and Graph paper sheets.

Options Profit Calculator

Calculate options trading break-even price, max profit, max loss and payoff table for Calls & Puts.

Self-Employed Tax Calculator

Calculate 1099 self-employment tax (15.3%), federal income tax, quarterly payments and net take-home pay.

Small Business Tax Credit Estimator

Estimate eligible federal small business tax credits for R&D, employee healthcare and retirement plans.

Independent Contractor vs. Employee Test

Evaluate worker classification under IRS & DOL behavioral, financial and relationship criteria.

FinCEN BOI Reporting Deadline

Check Corporate Transparency Act (FinCEN BOI) filing deadlines based on company formation date.

SaaS Valuation Calculator

Estimate SaaS company valuation using ARR, YoY growth rate, net retention, gross margin and Rule of 40.

Lead Conversion Calculator

Calculate visitor-to-lead, lead-to-customer conversion rates, cost per lead (CPL) and funnel ROI.

CAC Calculator

Calculate Customer Acquisition Cost (CAC), LTV:CAC ratio and CAC payback period in months.

Expansion Revenue Calculator

Calculate Expansion MRR rate, Net Dollar Retention (NDR) and upsell/cross-sell contribution.

ARR Calculator

Calculate Annual Recurring Revenue (ARR), multi-year ARR projections and Net New ARR.

MRR Calculator

Calculate Net MRR, ARPA, New MRR, Expansion MRR and Net MRR Churn rate.

Compound Interest Calculator

Calculate future investment value with monthly contributions, compounding frequency and total interest earned.

Deep Work Score Calculator

Calculate your daily Deep Work Focus Score based on uninterrupted focus blocks, distractions and cognitive load.

Meeting Time Zone Planner

Find overlapping 08:00–18:00 working hours across 3 international team time zones.

US Sales Tax Nexus Checker

Check whether your e-commerce revenue or transaction count triggers economic sales tax nexus in US states.

Social Security Break Even Calculator

Compare claiming Social Security early at age 62 vs Full Retirement Age (67) vs delayed at age 70.

Sales Tax Calculator

Calculate sales tax amount and gross total — or reverse-calculate pre-tax price from a tax-inclusive receipt.

Invoice Generator

Create, customize and print/save professional PDF business invoices with automatic tax and line-item totals.

Business Name Generator

Generate brandable startup, SaaS, agency and Shopify store name ideas around your keyword.

UTM Link Builder

Build campaign tracking URLs with UTM parameters for Google Analytics and ad attribution.

VAT Calculator

Add VAT (Net → Gross) or remove VAT (Gross → Net) for any VAT percentage.

Discount Calculator

Calculate final sale price and total savings from any discount percentage.

ROI Calculator

Measure Return on Investment (ROI) percentage and net profit or loss.

Profit Margin Calculator

Compute gross profit, profit margin percentage and markup percentage from cost and revenue.