All Tools

Browse our complete collection of 101 free online tools across 8 categories.

✍️

AI Writer

Generate high-quality articles, blogs, essays, and content with AI-powered writing that adapts to your topic, tone, and length.

🔄

AI Rewriter

Rewrite any text while preserving meaning. Improves clarity, removes plagiarism, and changes tone for fresh unique content.

📝

AI Summarizer

Condense long articles, papers, and documents into clear, concise summaries that capture key points in seconds.

🎨

AI Image Prompt Builder

Build optimized prompts for AI image generators like Midjourney, DALL-E, and Stable Diffusion with style modifiers.

🔑

UUID Generator

Generate cryptographically random UUID v1, v3, v4, and v5 identifiers for databases, APIs, and unique record IDs.

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JSON Formatter

Format, validate, beautify, and minify JSON data with syntax highlighting and error detection.

🔐

Base64 Encoder

Encode any text or file to Base64 format for safe data transmission, embedding, and storage.

🔓

Base64 Decoder

Decode Base64 strings back to their original text or binary format with validation and error reporting.

🎫

JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, and signature with no data leaving your browser.

#️⃣

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text input using the Web Crypto API.

🧾

Invoice Generator

Create professional invoices with company details, line items, taxes, and totals. Export to PDF instantly.

📋

Quotation Generator

Build polished price quotations for clients with itemized services, validity dates, and PDF export.

💰

Profit Calculator

Calculate gross profit, net profit, profit margin, markup, ROI, and break-even point for any business.

📢

Ad Copy Generator

Generate scroll-stopping ad copy for Facebook, Google, Instagram, and LinkedIn with multiple variations.

#

Hashtag Generator

Create relevant hashtag sets for Instagram, TikTok, X, and LinkedIn to maximize reach and engagement.

🔎

SEO Meta Generator

Generate SEO-optimized title tags, meta descriptions, Open Graph tags, and Twitter cards for any page.

🎨

Color Picker

Pick colors visually and get HEX, RGB, HSL, and CMYK values with a live preview and palette history.

🌈

Gradient Generator

Create beautiful CSS linear and radial gradients with custom stops, angles, and ready-to-copy CSS code.

QR Code Generator

Generate downloadable QR codes for URLs, text, email, phone, WiFi, and contact cards with custom colors.

📒

Quick Notes

Capture, organize, and search your notes locally in your browser. Auto-save and markdown supported.

⏱️

Timer & Stopwatch

Online stopwatch and countdown timer with lap tracking, sound alerts, and Pomodoro mode for productivity.

📐

Unit Converter

Convert length, weight, temperature, area, volume, time, and digital storage units with high precision.

🔒

Password Generator

Generate cryptographically strong random passwords with custom length, characters, and entropy analysis.

🔢

Word Counter

Count words, characters, sentences, paragraphs, and estimate reading/speaking time for any text.

📄

Lorem Ipsum Generator

Generate placeholder Lorem Ipsum text in words, sentences, or paragraphs for designs and mockups.

Aa

Case Converter

Convert text between uppercase, lowercase, title case, sentence case, camelCase, snake_case, and more.

AI Grammar Checker

Check grammar, spelling, punctuation, and style in any text. Get instant suggestions to improve your writing.

📧

AI Email Writer

Generate professional emails for any situation: sales, support, follow-ups, apologies, and cold outreach.

🛍️

AI Product Description Generator

Create compelling product descriptions for e-commerce that sell. Optimized for SEO and conversions.

📰

AI Blog Generator

Generate full blog post outlines and drafts on any topic with SEO-friendly structure and headings.

💡

AI Headline Generator

Create attention-grabbing headlines for articles, ads, emails, and social media that boost click-through rates.

📱

AI Social Caption Generator

Generate engaging captions for Instagram, Facebook, Twitter, and LinkedIn posts with relevant hashtags.

🔁

AI Paraphraser

Rewrite any text in different tones and styles while preserving the original meaning.

🌍

AI Translator

Translate text between 20+ languages with natural, contextual results that read like a native speaker.

📄

AI Resume Builder

Build an ATS-friendly, professional resume with AI-suggested content, skills, and achievement statements.

✉️

AI Cover Letter Generator

Create tailored cover letters for any job posting. Highlight your strengths and match company culture.

👤

AI Bio Generator

Write engaging personal bios for Twitter, Instagram, LinkedIn, About pages, and dating profiles.

🎯

AI Slogan Generator

Create memorable taglines and slogans for your brand, product, or campaign in seconds.

🏢

AI Business Name Generator

Generate unique, brandable business and startup name ideas with available domain suggestions.

✔️

UUID Validator

Validate UUID/GUID strings. Check version (v1-v7), variant, and detect malformed identifiers.

JSON Validator

Validate JSON syntax and get detailed error messages with line and column numbers.

📊

JSON to CSV Converter

Convert JSON data to CSV format for Excel, Google Sheets, and data analysis.

🔄

CSV to JSON Converter

Convert CSV data to JSON format for APIs, databases, and modern applications.

.*

Regex Tester

Test regular expressions with real-time highlighting of matches, groups, and capture groups.

🌐

HTML Formatter

Format, beautify, and minify HTML code with proper indentation and structure.

🎨

CSS Minifier

Minify CSS code to reduce file size and improve page load times. Compress whitespace, comments, and selectors.

📜

JavaScript Minifier

Minify JavaScript code by removing whitespace, comments, and optimizing for production.

📄

XML Formatter

Format, beautify, and validate XML documents with proper indentation and error detection.

🗃️

SQL Formatter

Format and beautify SQL queries for better readability. Supports MySQL, PostgreSQL, SQL Server.

&

HTML Entity Encoder/Decoder

Encode and decode HTML entities for special characters, symbols, and safe HTML display.

🔗

URL Encoder/Decoder

Encode and decode URLs for safe transmission. Handle percent-encoding, query strings, and special characters.

📝

Markdown Preview

Write Markdown and see live preview with syntax highlighting. Export to HTML.

🔍

Text Diff Checker

Compare two text files and highlight differences line by line with add/remove indicators.

Cron Expression Generator

Generate and explain cron expressions for scheduling tasks. See next execution times and human-readable descriptions.

🕵️

User Agent Parser

Parse and analyze User-Agent strings to detect browser, OS, device, and bot information.

🌐

IP Address Lookup

Look up IP address information including geolocation, ISP, timezone, and network details.

📋

Lorem Ipsum for Developers

Generate realistic developer content: API names, function names, JSON examples, HTTP responses.

🏷️

Meta Tag Generator

Generate complete meta tags including title, description, keywords, Open Graph, and Twitter Cards.

📊

Keyword Density Checker

Analyze keyword frequency and density in your content. Find over-optimized and under-used keywords.

🤖

Robots.txt Generator

Create a robots.txt file with custom rules for search engine crawlers, disallow paths, and sitemaps.

🗺️

Sitemap Generator

Generate XML and HTML sitemaps for your website with priorities and update frequencies.

📱

Open Graph Generator

Generate Open Graph meta tags for better social media sharing on Facebook, LinkedIn, and more.

📋

Schema Markup Generator

Generate JSON-LD schema markup for articles, products, recipes, events, FAQs, and local businesses.

🔗

URL Slug Generator

Generate SEO-friendly URL slugs from titles. Remove stop words, special characters, and optimize length.

📈

SEO Content Analyzer

Analyze content for SEO: word count, readability, keyword usage, heading structure, and optimization tips.

🔍

SERP Preview Tool

Preview how your page will appear in Google search results with title, description, and URL.

🔗

Broken Link Checker

Scan text for URLs and check for broken links. Find dead links in your content quickly.

📈

ROI Calculator

Calculate Return on Investment (ROI) for any project, campaign, or business decision.

💸

GST Calculator

Calculate GST, VAT, and sales tax. Add or remove tax from any amount with custom rates.

📋

Income Tax Calculator

Estimate income tax for different countries and brackets. Calculate net income after tax.

🧾

Receipt Generator

Create professional receipts for sales, services, and donations. Print or download as PDF.

👥

Payroll Calculator

Calculate employee payroll: gross to net salary, deductions, taxes, and overtime.

🏷️

Discount Calculator

Calculate sale prices, percentage discounts, and final amounts after applying multiple discounts.

📊

Margin Calculator

Calculate profit margin, markup, gross margin, and net margin for products and services.

⚖️

Break-Even Calculator

Find the break-even point for your business. Calculate units needed to cover fixed and variable costs.

💼

Salary Calculator

Convert annual salary to hourly, weekly, bi-weekly, and monthly. Calculate take-home pay.

🏦

Loan EMI Calculator

Calculate EMI, total interest, and amortization schedule for personal, home, or car loans.

🎯

CTA Generator

Generate high-converting call-to-action phrases for buttons, banners, emails, and landing pages.

📧

Email Subject Line Generator

Create email subject lines that boost open rates. Generate variations for A/B testing.

💬

Tagline Generator

Create memorable brand taglines and value propositions that capture your brand essence.

Value Proposition Generator

Craft compelling value propositions that clearly communicate your product's unique benefits.

🌟

Testimonial Generator

Create authentic-sounding customer testimonials for case studies, landing pages, and social proof.

🎨

Color Palette Generator

Generate harmonious color palettes using color theory: complementary, analogous, triadic, and tetradic schemes.

Contrast Checker

Check color contrast ratios for WCAG accessibility compliance. AA and AAA ratings for readability.

🖼️

Image Resizer

Resize images to any dimension. Maintain aspect ratio, choose output format (JPG, PNG, WebP).

📦

Image Compressor

Compress JPG, PNG, and WebP images without losing visible quality. Reduce file size for web.

Favicon Generator

Generate favicon from text, emoji, or image. Get all sizes (16x16, 32x32, 180x180) and HTML code.

🍅

Pomodoro Timer

Stay focused with the Pomodoro technique. 25-minute work sessions with breaks and task tracking.

🔢

Character Counter

Count characters, words, and check text length for Twitter, Instagram, meta descriptions, and essays.

🔍

Text Compare

Compare two blocks of text and highlight differences. Find added, removed, and changed content.

🎂

Age Calculator

Calculate exact age in years, months, days, hours, and minutes from any date of birth.

📅

Date Calculator

Add or subtract days, weeks, months, or years from any date. Calculate duration between two dates.

%

Percentage Calculator

Calculate percentages, percentage increase/decrease, percentage of a number, and more.

⚖️

BMI Calculator

Calculate Body Mass Index (BMI) and see your healthy weight range based on height and weight.

🎲

Random Number Generator

Generate random numbers, dice rolls, coin flips, and random selections from lists.

🛡️

Password Strength Checker

Check password strength with entropy calculation. Get security recommendations and time-to-crack estimates.

🔄

Text Reverser

Reverse text, words, or letters. Useful for fun messages, encoding puzzles, and creative writing.

📖

Readability Checker

Check text readability using Flesch-Kincaid, Gunning Fog, SMOG, and other scoring systems.

✏️

Paragraph Rewriter

Rewrite paragraphs while preserving meaning. Improve clarity, change tone, or simplify complex text.

🔢

Sentence Counter

Count sentences, words per sentence, and analyze sentence length distribution for better writing.

📚

Synonym Finder

Find synonyms and alternative words to enrich your vocabulary and improve writing variety.