All Tools

171 free tools — no signup, all client-side processing

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Text Tools

11 tools
Text

Word Counter & Character Counter

Count words, characters, sentences, and paragraphs in your text instantly. Get reading time estimation and keyword density analysis.

InstantNo Upload
Text

Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, CONSTANT_CASE, and more with one click.

InstantNo Upload
Text

Text Reverser

Reverse text, words, or lines instantly. Flip your text backwards character by character or reverse word order.

InstantNo Upload
Text

Duplicate Line Remover

Remove duplicate lines from your text instantly. Keep unique lines, trim whitespace, and sort results with one click.

InstantNo Upload
Text

Text to Slug Generator

Convert any text to a URL-friendly slug. Removes special characters, replaces spaces with hyphens, and converts to lowercase.

InstantNo Upload
Text

Lorem Ipsum Generator

Generate placeholder lorem ipsum text by paragraphs, sentences, or words. Perfect for mockups and design prototyping.

InstantNo Upload
Text

Text Diff Checker

Compare two texts side by side and highlight the differences. Find additions, deletions, and changes between two versions.

InstantNo Upload
Text

Whitespace Remover

Remove extra whitespace, leading/trailing spaces, blank lines, and tabs from your text. Clean up messy text instantly.

InstantNo Upload
Text

Line Sorter

Sort lines of text alphabetically (A-Z or Z-A), numerically, by length, or randomly. Remove duplicates while sorting.

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Text

String Repeat Generator

Repeat any text string a specified number of times with custom separator. Generate repeated patterns for testing or content.

InstantNo Upload
Text

US History Timeline - 250 Years

Explore 250 years of American history from 1776 to 2026. Interactive timeline with 50+ key events including the Declaration of Independence, Civil War, World Wars, and the 250th anniversary.

Instant

Developer Tools

32 tools
Developer

Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 to text instantly. Supports UTF-8 encoding and file-to-Base64 conversion.

InstantNo Upload
Developer

URL Encoder & Decoder

Encode or decode URLs and query parameters. Convert special characters to percent-encoding for safe URL usage.

InstantNo Upload
Developer

JSON Formatter & Validator

Format, beautify, minify, and validate JSON data. Syntax highlighting with error detection and tree view.

InstantNo Upload
Developer

HTML Entity Encoder & Decoder

Encode special characters to HTML entities or decode entities back to characters. Supports named and numeric entities.

InstantNo Upload
Developer

MD5 Hash Generator

Generate MD5 hash from any text input instantly. Create checksums for data integrity verification.

InstantNo Upload
Developer

SHA-256 Hash Generator

Generate SHA-256 cryptographic hash from text input. Secure hashing using the Web Crypto API in your browser.

InstantNo Upload
Developer

Regex Tester

Test and debug regular expressions in real-time. See matches highlighted, capture groups, and get explanations for your patterns.

InstantNo Upload
Developer

JWT Decoder

Decode and inspect JSON Web Tokens (JWT). View header, payload, and signature. Verify token expiration and claims.

InstantNo Upload
Developer

Unix Timestamp Converter — Current Millis & Epoch Tool

Convert milliseconds to human-readable dates, get all common format snapshots, and generate shareable time links. The essential timestamp toolkit for developers.

InstantNo Upload
Developer

Color Converter (HEX ↔ RGB ↔ HSL)

Convert colors between HEX, RGB, HSL, and CMYK formats. Live color preview with copy-to-clipboard for each format.

InstantNo Upload
Developer

IndieBase — Indie Dev Stack Selector

Choose the perfect tech stack for your indie product. Get opinionated recommendations for Web SaaS, Indie Games, Chrome Extensions, Mobile Apps, and more — with learning paths, MVP checklists, monetization guides, and launch channels.

Instant
Developer

Claude Prompt Optimizer

Transform raw prompts into structured, Claude-optimized prompts. Supports CLAUDE.md, SKILL.md, System Prompts, Subagent Prompts, and Tool Definitions with XML formatting and quality scoring.

Instant
Developer

Claude Prompt Debugger

Analyze and fix Claude-specific prompt bugs: XML tag errors, instruction overflow, hallucination risks, subagent context leaks, and model-prompt mismatches.

Instant
Developer

CSS Gradient Generator

Create beautiful CSS gradients with a live preview. Linear and radial gradients, up to 5 color stops, angle control, and one-click Random. Copy CSS or download PNG.

Instant
Developer

Glassmorphism Generator

Generate beautiful glassmorphism CSS effects with realtime preview. Adjust blur, opacity, border, and shadow. Copy CSS or download the component. Free online glass UI generator.

Instant
Developer

Color Palette Generator

Generate harmonious color palettes from any base color. Choose from 5 color theory schemes, export as CSS variables, Tailwind config, or Figma JSON. Free online palette tool.

Instant
Developer

WCAG Color Contrast Checker

Check color contrast ratios against WCAG 2.1 AA and AAA accessibility standards. Live preview, pass/fail badges, and automatic color fix suggestions. Free accessibility tool.

Instant
Developer

CSS Box Shadow Generator

Generate CSS box shadows visually with live preview. Multi-layer shadows, presets (Soft, Neon, Neumorphism), inset mode, and one-click copy. Free online box-shadow tool.

Instant
Developer

CSS Border Radius Generator

Generate CSS border-radius values visually. Simple, advanced (per-corner), and blob modes. 8 organic blob presets. Live preview and one-click copy. Free online tool.

Instant
Developer

Aspect Ratio Calculator

Calculate missing dimensions from aspect ratio or find the ratio from width and height. Presets for 16:9, 9:16, 1:1, 4:5 and more. Shows common resolutions. Free online tool.

Instant
Developer

Font Pairing Generator

Find beautiful Google Fonts pairings for your project. Filter by mood and use case. Live preview with real font rendering. Copy @import URL and CSS snippet. Free font pairing tool.

Instant
Developer

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal. Supports both integer and floating-point conversions with step-by-step explanation.

InstantNo Upload
Developer

CSS Unit Converter

Convert between CSS units: px, rem, em, vw, vh, pt, and percentages. Set base font size for accurate rem/em calculations.

InstantNo Upload
Developer

Markdown Previewer

Write and preview Markdown in real-time with syntax highlighting. Supports GFM tables, code blocks, task lists, and export to HTML.

InstantNo Upload
Developer

Text to Binary Converter

Convert text to binary code and binary to text. Supports ASCII and UTF-8 encoding with space-separated or continuous output.

InstantNo Upload
Developer

Chrome Extension Icon Generator

Upload one image and get all 4 required Chrome extension icon sizes (16×16, 32×32, 48×48, 128×128) instantly. Download as individual PNGs, ready for your extension.

Instant
Developer

Manifest V3 Generator

Generate a valid Chrome Extension manifest.json (Manifest V3) from a form. No need to memorize syntax — fill in the fields and get a ready-to-use JSON file.

InstantNo Upload
Developer

Content Security Policy (CSP) Generator

Build a Content Security Policy header string using checkboxes. No need to memorize complex CSP syntax — configure sources for scripts, styles, images, and more.

InstantNo Upload
Developer

Chrome Storage Size Calculator

Paste your JSON data and instantly see its byte size compared to Chrome extension storage limits. Supports chrome.storage.sync (100KB) and chrome.storage.local (5MB).

InstantNo Upload
Developer

Chrome Extension Boilerplate Generator

Select your options (popup, background SW, content script, TypeScript) and get a complete Chrome Extension boilerplate with all files pre-configured. Ready to load in Chrome Developer Mode.

InstantNo Upload
Developer

Chrome Web Store Description Generator

Generate an optimized Chrome Web Store listing — short description (132 chars) and full description with features, how-to, and privacy section. Copy and paste into Chrome Web Store Developer Dashboard.

InstantNo Upload
Developer

Chrome Permissions Explainer

Paste your Chrome Extension permissions array and get plain-English explanations with risk levels for each permission. Perfect for writing your privacy policy and store listing.

InstantNo Upload

Image Tools

8 tools

Random Generators

17 tools
Random Generators

Fake User Generator Pro

Generate complete, high-quality fake user identities including name, address, email, username, birthday, and even a fake credit card with avatar. Ideal for testing and privacy protection.

Instant
Random Generators

Mock JSON Data Generator

Create custom JSON datasets by defining your own schema. Choose from names, emails, age, cities, UUIDs, and more to generate high-quality mock data arrays for API testing.

Instant
Random Generators

Password Generator

Generate strong, secure passwords with customizable length and character types. Includes password strength meter and entropy calculation.

InstantNo Upload
Random Generators

UUID Generator

Generate UUID v4 (random) and UUID v1 (time-based) identifiers. Bulk generate multiple UUIDs at once with copy support.

InstantNo Upload
Random Generators

Random Number Generator

Generate random numbers within a custom range. Support for integers, decimals, multiple results, and no-repeat mode.

InstantNo Upload
Random Generators

Lorem Ipsum Generator (Advanced)

Generate various types of placeholder text: classic Lorem Ipsum, Hipster Ipsum, Bacon Ipsum, and more. Customizable length and format.

InstantNo Upload
Random Generators

Random Color Generator

Generate random colors with HEX, RGB, and HSL values. Create color palettes, gradients, and complementary color schemes.

InstantNo Upload
Random Generators

Emoji Combo Generator

Generate themed emoji combos for social media captions, bios, and stories. Choose from moods like Happy, Hype, Chill, Love, or occasions like Birthday, Summer, OOTD.

Instant
Random Generators

Username Generator

Generate unique usernames in different styles: Gamer, Hacker, Aesthetic, Clean, or Streamer. Add keywords and customize with numbers and symbols.

Instant
Random Generators

Social Media Bio Generator

Generate engaging bios for TikTok, Instagram, and X/Twitter. Choose from Funny, Aesthetic, Professional, Mysterious, or Trendy personas.

Instant
Random Generators

Startup Idea Generator

Generate complete startup ideas with problem, solution, target market, and revenue model. Filter by industry and seriousness level.

Instant
Random Generators

SaaS Name Generator

Generate brandable SaaS company names with domain availability checking. Choose from Compound, Action, Abstract, Descriptive, or Portmanteau naming styles.

Instant
Random Generators

Tweet / X Post Idea Generator

Generate engaging tweet ideas for any niche. Choose from Hot Take, Thread Opener, Question, Story, Stat, or Meme formats with different tones.

Instant
Random Generators

Viral Hook Generator

Generate scroll-stopping hooks for TikTok, Reels, X/Twitter, YouTube, and LinkedIn. Choose from Curiosity Gap, Bold Claim, Story, Stat, Controversy, or How-to hooks.

Instant
Random Generators

AI Prompt Generator

Generate optimized prompts for ChatGPT, Claude, Midjourney, DALL-E, Gemini, and Stable Diffusion. Includes proper structure: role, context, task, format, constraints.

Instant
Random Generators

Roast Generator

Generate clever, funny roasts for friends. Choose from Gamer, Gym Rat, Night Owl, Broke Friend, Overachiever, Procrastinator, Foodie, or Techie targets with Friendly, Medium, or Savage intensity.

Instant
Random Generators

USA 250th Anniversary Countdown

Live countdown to America's 250th birthday on July 4, 2026. Watch days, hours, minutes, and seconds tick down to the semiquincentennial celebration.

Instant

Utility

3 tools

Converter Tools

4 tools

SEO Tools

3 tools

YouTube Tools

8 tools

Canada Tools

5 tools

TikTok Tools

5 tools

Content Creator Tools

5 tools

Game Tools

13 tools
Game

AI Minecraft Skin Generator

Generate unique Minecraft skins from text descriptions. Choose from prompt templates, preview in 3D, and download as 64x64 PNG ready for Java & Bedrock.

InstantNo Upload
Game

AI Roblox Outfit Generator

Generate unique Roblox clothing designs from text descriptions. Create Shirts (585x559), Pants, and T-Shirts (128x128) with avatar preview. Download PNG ready to upload to Roblox Creator Dashboard.

Instant
Game

Minecraft Color Code Generator

Create and preview colored text for Minecraft signs, books, and chat. Supports all 16 color codes and formatting (Bold, Italic, Underline, Strikethrough). Copy raw codes or /tellraw JSON.

Instant
Game

Minecraft /give Command Generator

Generate /give commands with enchantments, custom names, lore, and NBT tags through an easy visual interface. Supports Java 1.20+ and Bedrock syntax.

Instant
Game

Minecraft Ore Distribution Chart

Interactive chart showing optimal Y-levels for mining every ore in Minecraft 1.20+. Toggle ores, compare Java vs old versions, find the best strip mining levels.

Instant
Game

Minecraft Username to UUID Converter

Convert Minecraft usernames to UUIDs instantly. Bulk lookup up to 10 names, see player avatars, copy full or trimmed UUIDs. Perfect for server admins.

Instant
Game

Minecraft Server Properties Generator

Generate a custom server.properties file for your Minecraft server. Choose from presets (Survival, Creative, Hardcore, Minigame) or customize every setting with tooltips.

Instant
Game

Stat Balancer

Balance RPG character stats with interactive radar charts. Compare classes, visualize power distribution, and export JSON configs for Unity, Godot, and RPG Maker.

Instant
Game

Loot Drop Rate Calculator

Design loot tables, simulate drop rates, and balance rare vs common items. Verify rates sum to 100%, simulate thousands of rolls, and export JSON for game engines.

Instant
Game

XP & Level Curve Generator

Design RPG progression curves. Visualize XP requirements per level, analyze pacing, and tune difficulty. Export formulas and data for Unity, Godot, and custom engines.

Instant
Game

Stat Balancer

Compare and balance game character class stats with radar charts, scaling curves, and power score analysis.

Instant
Game

Loot Drop Rate Calculator

Design loot tables, verify drop rates add to 100%, and simulate drops.

Instant
Game

XP & Level Curve Generator

Design and visualize XP curves for your game. Export as JSON.

Instant

Car

10 tools
Car

Generate VIN by Year Make Model

Generate random Vehicle Identification Numbers (VINs) with valid check digits by Year, Make, and Model. Filter by manufacturer, choose a specific model year, and create bulk authentic VIN formats for testing and development.

InstantNo Upload
Car

Gas Trip Cost Calculator

Calculate the total fuel cost for any road trip. Enter your trip distance, vehicle MPG, and gas price to instantly estimate fuel needed and total gas cost. Supports round-trip calculation.

Instant
Car

Driving Cost Per Mile Calculator

Calculate your true cost of driving per mile. Factor in fuel costs and optional maintenance expenses to understand the real cost of every mile you drive.

Instant
Car

Commute Cost Calculator

Estimate your weekly, monthly, and yearly commuting fuel costs. Factor in your one-way distance, work days per week, MPG, and gas price to see the true cost of your daily commute.

Instant
Car

EV vs Gas Cost Calculator

Compare the annual fuel cost of an electric vehicle vs a gas car. Enter MPG, gas price, kWh per mile, and electricity cost to instantly see which is cheaper to run for your driving habits.

Instant
Car

Road Trip Budget Calculator

Plan your complete road trip budget. Estimate total costs including fuel, hotel accommodation, and daily food expenses. Get a full breakdown so you can plan your trip confidently.

Instant
Car

Monthly Gas Budget Calculator

Estimate your monthly fuel spending based on miles driven, vehicle MPG, and gas price. Know exactly how much to budget for gas each month and see your annual fuel cost projection.

Instant
Car

Gas Price Impact Calculator

Calculate how a change in gas prices affects your monthly and annual fuel spending. See instantly how much more or less you'll spend when gas prices rise or fall.

Instant
Car

Free VIN Decoder

Decode your Vehicle Identification Number (VIN) to reveal manufacturer, model year, engine specs, and production details instantly.

Instant
Car

Barcode VIN Generator

Generate a scannable Barcode for any Vehicle Identification Number (VIN). Create random VIN barcodes or enter your own VIN to generate a Code 128 barcode instantly.

Instant

Finance

33 tools
Finance

401(k) Retirement Calculator

Estimate your future retirement savings based on your salary, contributions, employer match, and investment returns.

InstantNo Upload
Finance

Tax Refund Calculator

Estimate your federal tax refund or amount owed for the 2024-2025 tax year based on your income and withholdings.

InstantNo Upload
Finance

Tax Bracket Calculator

Find your marginal tax rate and see how much federal income tax you'll pay based on the progressive US tax system.

InstantNo Upload
Finance

Credit Card Payoff Calculator

Calculate how long to pay off your credit card debt and total interest paid. Choose a fixed monthly payment or set a payoff timeline.

Instant
Finance

Sales Tax Calculator

Calculate price after sales tax for all 50 US states, or reverse-calculate pre-tax price. Supports local rates and multi-item cart.

Instant
Finance

Car Loan Calculator

Calculate monthly car loan payments, total interest, and full amortization schedule. Includes trade-in, sales tax, and term comparison.

Instant
Finance

Property Tax Calculator

Estimate annual and monthly property tax by state. Includes homestead exemption, assessment rate, 10-year projection, and state comparison chart.

Instant
Finance

US Income Tax Calculator

Calculate your total federal income tax for the 2024-2025 tax year. See your marginal tax rate, effective tax rate, and tax breakdown.

Instant
Finance

Capital Gains Tax Calculator

Estimate taxes on realized gains from stocks, crypto, and real estate. Supports short-term and long-term rates based on income.

Instant
Finance

Self-Employment Tax Calculator

Calculate the 15.3% SE tax for freelancers and contractors. Includes the deductible employer-equivalent portion calculation.

Instant
Finance

US Salary Paycheck Calculator

Calculate your net take-home pay after federal, state, and local withholdings. Includes FICA, 401(k), and health insurance deductions.

Instant
Finance

Salary to Hourly Converter

Convert your annual salary to hourly, weekly, and monthly rates. Quickly compare job offers and understand your true earning power.

Instant
Finance

Overtime Pay Calculator

Calculate your total pay including overtime hours at time-and-half (1.5x) or double time (2.0x) rates. Supports multiple pay periods.

Instant
Finance

Tip & Bill Splitter Calculator

Quickly calculate the tip amount and split the bill among multiple people. Includes common tip percentages and rounding options.

Instant
Finance

50/30/20 Budget Calculator

Plan your monthly spending using the 50/30/20 rule: 50% for Needs, 30% for Wants, and 20% for Savings and Debt.

Instant
Finance

Fixed-Rate Mortgage Calculator

Calculate monthly mortgage payments, total interest, and payoff date. Includes PITI (Principal, Interest, Taxes, Insurance) estimates.

Instant
Finance

Compound Interest Calculator

Visualize the power of compounding. Calculate future wealth based on initial investment, monthly contributions, and estimated return rate.

Instant
Finance

Debt Payoff Strategy Calculator

Compare Debt Snowball vs. Debt Avalanche methods. See which strategy saves you the most interest and gets you debt-free faster.

Instant
Finance

Personal Net Worth Calculator

Calculate your total net worth by tracking assets (cash, investments, property) and liabilities (loans, debt). Includes asset allocation charts.

Instant
Finance

Savings Goal Calculator

Determine how much you need to save each month to reach a specific financial goal. Includes interest compounding and timeline adjustments.

Instant
Finance

Emergency Fund Calculator

Calculate exactly how much you need for a 3-month or 6-month safety net based on your essential monthly expenses.

Instant
Finance

Loan Refinance Savings Calculator

Calculate if refinacing your loan (mortgage or auto) is worth it. Compare monthly savings vs. closing costs to find your break-even point.

Instant
Finance

Roth IRA Calculator

Project your tax-free retirement savings with a Roth IRA. See how much you'll have in X years and calculate potential tax savings vs taxable accounts.

Instant
Finance

Hourly to Salary Converter

Convert your hourly wage to annual, monthly, and weekly salary. Compare job offers and understand your true earning power with overtime calculations.

Instant
Finance

Debt Payoff Calculator — Snowball vs Avalanche

Compare debt payoff strategies side-by-side. Use Snowball for motivation or Avalanche to save interest. Add multiple debts and see your path to debt freedom.

Instant
Finance

Credit Card Interest Calculator

See the true cost of carrying a credit card balance. Calculate total interest, payoff timeline, and the shocking 'true cost' of every purchase when you pay over time.

Instant
Finance

Rent vs Buy Calculator

Should you rent or buy a home? Compare total costs over time, factor in appreciation, equity building, and see which option saves more money for your situation.

Instant
Finance

Traditional IRA Calculator

Calculate tax-deferred retirement savings with a Traditional IRA. See immediate tax deductions, projected growth, and compare with Roth IRA options.

Instant
Finance

Social Security Benefits Estimator

Estimate your Social Security retirement benefits based on earnings history. Compare claiming ages 62, 67, and 70 to maximize lifetime benefits.

Instant
Finance

Pension Calculator — Defined Benefit Estimator

Estimate your defined benefit pension payout at retirement. Compare single life, joint survivor, and lump sum options. Factor in COLA and years of service.

Instant
Finance

RMD Calculator — Required Minimum Distribution

Calculate your Required Minimum Distributions from Traditional IRAs and 401(k)s starting at age 73. Avoid 50% IRS penalties and plan your retirement withdrawals.

Instant
Finance

FIRE Calculator — Financial Independence Retire Early

Calculate when you can achieve Financial Independence and Retire Early. Based on the 4% rule, savings rate, and investment returns. Plan your path to freedom.

Instant
Finance

401(k) vs IRA Comparison Tool

Compare Traditional vs Roth options for 401(k)s and IRAs. See after-tax values, tax savings, and find the best retirement account for your tax situation.

Instant

Productivity

3 tools

Amazon Seller Tools

5 tools

Chrome

6 tools

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