Browse every free tool on Intellure, organized by category. All tools run in your browser, no signup required.
Build structured prompts for ChatGPT, Claude, Midjourney, DALL·E, and coding assistants. Fill in fields, get a ready-to-copy prompt — no AI used in generation.
Create professional, structured job descriptions for any role in minutes - free, no signup.
Generate engaging Instagram captions with hashtags for any post. Personal, business, funny, motivational, or aesthetic styles.
Detect if text was written by AI (ChatGPT, Gemini, Claude) or a human. Analyzes writing patterns, sentence structure, and vocabulary.
Count words, characters, sentences, and paragraphs in your text instantly.
Count characters with and without spaces. Perfect for Twitter, SMS, and meta descriptions.
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Generate placeholder text for your designs and layouts.
Convert any text into URL-friendly slugs for your website.
Convert plain text into stylish Unicode fonts for social media bios.
Compare two texts side by side and see the differences highlighted.
Test your typing speed and accuracy with real-time WPM tracking.
Convert any text to natural-sounding speech using your browser's built-in voices. Adjust speed, pitch, and choose from dozens of voices.
Check Flesch-Kincaid, Gunning Fog, and reading ease scores with actionable suggestions.
Rewrite text using synonym replacement and sentence restructuring — choose from Standard, Formal, Casual, Academic, or Creative tones. 100% browser-based, no API key needed.
Remove duplicate lines from text, CSV, and code. Keep unique lines only.
Remove ANSI codes, box-drawing chars, and markdown from terminal output. Clean up messy copy-paste text instantly.
Format, validate, and beautify your JSON data with syntax highlighting.
Encode text to Base64 or decode Base64 strings instantly.
Test and debug regular expressions with real-time matching and highlighting.
Encode or decode URLs and query parameters.
Generate random UUIDs (v4) instantly. Bulk generate and copy.
Generate SHA-256, SHA-1, and MD5 hashes from any text instantly.
Convert Unix timestamps to human-readable dates and vice versa.
Build and validate cron expressions with a visual editor.
Write Markdown with a live HTML preview. Includes formatting toolbar, syntax highlighting, and one-click copy for HTML or Markdown.
Decode and inspect JWT tokens instantly. View header, payload, claims, and expiration status.
Format, beautify, and minify SQL queries with keyword highlighting and customizable indentation.
Interactive Unix file permissions calculator - toggle checkboxes or enter numeric values to see chmod commands instantly.
Paste JSON and instantly generate a JSON Schema with types, required fields, and nested object support.
Encode special characters to HTML entities or decode HTML entities back to readable text - supports named and numeric entities.
Minify CSS to reduce file size or beautify compressed CSS for readability - with size comparison stats.
Validate email addresses instantly. Check syntax, deliverability, and common typos.
Convert traditional CSS to Tailwind utility classes instantly. Free, no signup.
Convert text to ASCII and Unicode codes, or decode codes back to text. Works with special characters.
Minify JavaScript to reduce file size or beautify compressed JS for readability — with size stats. 100% browser-based, free.
Test API endpoints and measure response times, status codes, and headers instantly.
Compare two JSON objects side-by-side and instantly find added, removed, and changed keys.
Calculate percentages, percentage change, and percentage of a number.
Calculate your exact age in years, months, days, hours, and minutes.
Calculate your Body Mass Index and understand your weight category.
Calculate SIP returns with lump sum, step-up SIP, and historical Nifty 50 simulation. Free calculator with charts and year-by-year breakdown.
Calculate GST online - add or remove GST with CGST, SGST, and IGST breakdown for all tax slabs.
Calculate compound interest with monthly contributions, multiple compounding frequencies, and year-by-year breakdown.
Calculate loan EMI, total interest, and view a full month-by-month amortization schedule with prepayment analysis.
Calculate Indian income tax for FY 2024-25. Compare Old Regime vs New Regime side by side with slab-wise breakdown.
Calculate your take-home salary from CTC with detailed breakdown of Basic, HRA, PF, tax deductions under Old and New regime.
Calculate sale prices, savings, and compare deals. Includes reverse discount calculator and price comparison.
Calculate aspect ratios, resize images proportionally, and find the right dimensions for any platform.
Calculate tips, split bills between friends, and compare tip percentages with a simple, fast calculator.
Calculate electricity consumption and costs for appliances - daily, monthly, and yearly estimates.
Calculate trip fuel costs instantly - enter distance, mileage, and fuel price. Supports metric/imperial, round trips, and cost splitting.
Calculate the exact duration between two dates - in days, weeks, months, years, hours, and business days. Also add or subtract days from any date.
Calculate monthly mortgage payments, total interest, and amortization schedule with taxes and insurance.
Track all your subscriptions, see total monthly/yearly costs, and find savings opportunities.
Calculate your website's CO2 emissions per visit and get actionable recommendations to reduce environmental impact.
Calculate the true cost of your meetings. Add participants, hourly rates, and duration to see real-time cost analysis with annual projections.
Convert annual salary to hourly rate (or hourly to salary). Accounts for work hours, PTO, and shows daily, weekly, and monthly breakdowns.
Resize images to any dimension. Maintain aspect ratio. No upload needed.
Compress PNG, JPG, and WebP images online for free. Reduce file size with adjustable quality.
Crop images online with preset aspect ratios. Free, no upload - works in your browser.
Convert images between PNG, JPG, and WebP formats online. Batch conversion supported.
Download YouTube video thumbnails in all resolutions - HD, SD, HQ, MQ, and default.
Remove image backgrounds online for free. Client-side processing - your images stay private.
Convert SVG vector graphics to PNG raster images with custom dimensions and background colors.
Pick colors from any image by hovering or clicking. Extracts dominant color palette with HEX, RGB, and HSL codes. Free, browser-based.
Add text or image watermarks to your photos with full control over positioning, opacity, and styling.
Flip images horizontally or vertically and rotate by any angle — free, instant, no upload required.
Convert any image to a Base64 data URL for use in HTML, CSS, JSON, or code — no upload required.
Remove the SynthID 'Made with Google Gemini' watermark from images free. Browser-based, private, no upload needed.
Extract printed or typed text from screenshots, scanned documents, and book pages. Supports 13+ languages. Not for handwriting.
Remove Google NotebookLM watermarks from infographics, slides, and images. Paint over the watermark and remove it seamlessly. Free, browser-based, no upload.
Generate SEO-optimized meta descriptions with a live Google SERP preview. Free, no signup.
Generate SEO-optimized meta tags for your website with live preview.
Analyze keyword density and frequency in your content. Find top 1-word, 2-word, and 3-word phrases.
Generate Open Graph and Twitter Card meta tags with live social media previews.
Generate robots.txt files with presets for blocking AI bots, search engines, and custom rules.
Generate a valid XML sitemap for your website - add URLs, set priorities and change frequencies, then download the sitemap.xml file.
Generate JSON-LD structured data for Google rich results. Supports Article, FAQ, Product, Recipe, Event, and more.
Preview how your page title, meta description, and URL appear in Google search results — desktop and mobile.
Paste your URL, get an instant 0-100 SEO score, and see exactly what to fix. Analyzes title tags, meta descriptions, headings, images, links, schema markup, and technical SEO — completely free.
Analyze and optimize your page title tags for higher click-through rates in Google search results.
Analyze H1–H6 heading structure in your HTML for SEO issues, skipped levels, and accessibility.
Test and optimize your email subject lines for higher open rates. Get detailed analysis with engagement score and actionable improvements.
Generate personalized cold emails with subject lines for B2B outreach, sales, and partnerships.
Generate creative, unique business names for your startup, brand, or company - free and instant.
Generate memorable taglines and slogans for your brand, startup, or product. Template-based, free and instant.
Create engaging LinkedIn posts with hooks, storytelling, and CTAs - free, no signup required.
Generate strong, secure random passwords with customizable options.
Generate QR codes for URLs, text, Wi-Fi, and more. Download as PNG.
Create professional invoices with custom details. Download as PDF.
Create a customizable privacy policy for your website in minutes. GDPR, CCPA, and COPPA compliant. No signup required.
Create click-to-chat WhatsApp links with pre-filled messages.
Free online Pomodoro timer with 25/5/15 work-break cycles, sound alerts, browser notifications, and a beautiful circular countdown.
Build a professional resume with a form-based editor and live preview. Export to PDF instantly - no signup required.
Generate random numbers, roll dice, and flip coins. Includes range, duplicates, sorting, and history.
Free online stopwatch with lap tracking and countdown timer with presets. Precise to the millisecond.
Generate shareable YouTube links with timestamps and embed codes. Extract timestamps from links.
Create professional HTML email signatures with live preview, multiple templates, and one-click copy.
Generate unique, creative usernames for gaming, social media, or professional use - choose from Cool, Funny, Professional, Gaming, or Aesthetic styles.
Create favicons from text, emoji, or uploaded images. Download as PNG (16x16, 32x32, 192x192) or ICO - all in your browser, free.
Generate short, shareable links with optional custom names and QR codes. No signup required.
Create barcodes in CODE128, EAN-13, UPC-A, CODE39, and more. Download as PNG.
Create beautiful CSS gradients with a visual editor. Copy the CSS code.
Generate beautiful color palettes from a base color. Export as CSS or JSON.
Design CSS box shadows visually with a live preview. Copy the code.
Enter any hex color code and instantly get its exact or closest color name. Covers all 16.7 million hex colors using a database of 1,500+ named colors and smart matching.
Check WCAG 2.1 color contrast ratios and accessibility compliance for text and backgrounds.
Visual CSS Flexbox playground - configure flex properties and get ready-to-use CSS and Tailwind code.
Visual CSS Grid layout builder - configure columns, rows, gaps, and item spans with live preview and code output.
Create stunning gradient text with CSS - pick colors, adjust direction, preview live, and copy the CSS or Tailwind code.
Generate CSS keyframe animations visually. Pick from 15+ presets or customize duration, timing, delay, and more - with live preview and copy-paste code.
Create stunning frosted glass CSS effects with a visual editor. Adjust blur, opacity, saturation, border, and color - with live preview and copy-paste code.
Generate custom CSS border-radius values with visual preview. Create perfect rounded corners for modern web design.
Create and manage CSS custom properties (variables). Copy ready-to-use CSS code.
Create stunning visual effects with CSS filters - blur, brightness, contrast, sepia, grayscale, hue-rotation, and more with live preview.
Visually create CSS transforms — translate, rotate, scale, and skew elements with live preview and instant CSS code output.
Create stunning text shadow effects with a visual editor. Stack multiple layers, choose from presets, and copy production-ready CSS instantly.
Convert numbers between binary, hexadecimal, decimal, and octal.
Convert between units of length, weight, temperature, volume, and more.
Convert CSV data to JSON format online. Supports custom delimiters and file upload.
Convert JSON arrays to CSV format. Flatten nested objects with dot notation.
Convert colors between HEX, RGB, HSL, and RGBA formats. Visual picker with Tailwind matches.
Convert images to PDF online for free. Combine multiple JPG, PNG, or WebP images into a single PDF document.
Convert PDF pages to high-quality PNG or JPG images. Upload a PDF, preview all pages, and download images individually or all at once.
Convert HTML to valid JSX instantly. Transforms class, styles, event handlers, and self-closing tags.
Generate TypeScript interfaces and types from JSON data instantly.
Convert JSON to YAML and YAML to JSON instantly with real-time preview and validation.
Convert pixels to rem units and vice versa with custom base font size, batch conversion, and reference table.
Convert Markdown text to clean HTML instantly - supports headings, lists, code blocks, tables, links, images, and more.
Convert any number to its English word form - supports Indian (lakhs/crores) and international (millions/billions) systems with currency mode.
Merge multiple PDF files into one - drag and drop to reorder pages, then download a single combined PDF. 100% browser-based.
Compress PDF files to reduce file size online for free. Choose your compression level and download a smaller PDF instantly.
Convert times between world time zones instantly. Compare multiple zones side by side with DST-aware results - 100% free, no signup.
Encode and decode text in Binary, Hex, Octal, Morse Code, ROT13, URL encoding, and HTML entities - instant, free, browser-based.
Convert markdown documents to professional PDF files instantly with customizable titles and dates.
Trim, crop, and cut audio files online for free. Upload multiple files, set start and end points visually, preview your selection, and download trimmed audio in the original format.
Scan and decode QR codes from images instantly. Extract text, URLs, and contact info. 100% browser-based, no upload needed.
Convert HTML to clean Markdown instantly. Supports headings, bold, italic, links, images, code blocks, tables, and lists. 100% browser-based, no upload.
