All Online Tools

Calculate your monthly EMI, total interest, and total payment for any loan with our advanced amortization-based calculator.

Estimate your monthly mortgage payment including principal, interest, property tax, and home insurance — fully itemized.

See how your investment grows with the power of compound interest. Supports yearly, monthly, daily compounding and recurring…

Calculate Return on Investment percentage and annualized ROI for any business or stock investment instantly.

Convert between 25+ major world currencies using built-in reference rates. Fully offline — no API keys needed.

Calculate your Body Mass Index instantly with metric or imperial units. Get your weight category and healthy weight…

Calculate your daily calorie needs using the Mifflin-St Jeor equation. Get TDEE, weight loss, and muscle gain targets.

Estimate your body fat percentage using the U.S. Navy method. Just measure your neck, waist, and hips.

Estimate your baby's due date and current pregnancy week from your last menstrual period (LMP).

All-in-one percentage calculator: percent of, percent change, percent increase/decrease, and reverse percentage.

Full-featured scientific calculator with trigonometry, logarithms, exponents, factorials, and constants. Keyboard friendly.

Convert between length, weight, temperature, area, and volume units instantly. Metric ↔ Imperial supported.

Calculate exact age in years, months, days, weeks, hours and minutes from any birth date. Plus next-birthday countdown.

Quickly calculate tips and split the bill among any number of people. Includes preset percentages and custom rates.

Find the sale price and savings from any discount percentage. Supports stacked discounts and tax calculations.

Look up domain registration details: registrar, creation date, expiry, name servers, and RDAP status.

Look up A, AAAA, MX, NS, TXT, CNAME, and SOA DNS records via Google DNS-over-HTTPS.

Find the IP address and physical location of any website's server, plus ISP and hosting provider details.

Resize images to any width and height. Lock aspect ratio, choose presets, and download instantly. 100% browser-based.

Compress JPG, PNG, and WebP images to reduce file size while preserving visual quality. Adjustable quality slider.

Convert images between PNG, JPG, WebP, and BMP formats. Preserves quality and supports transparency.

Crop images visually with drag-to-select. Lock to common aspect ratios (1:1, 16:9, 4:3) or freeform cropping.

Rotate images by 90, 180, 270 or any custom angle. Flip horizontally or vertically. Lossless transformations.

Convert color images to grayscale or black and white. Choose between luminosity, average, lightness, and threshold modes.

Adjust brightness, contrast, saturation, hue, sepia, blur, and invert. Live preview, download instantly.

Replace transparent areas with a solid color or convert PNG to JPG with a custom background. Useful for…

Convert any image to a Base64 data URI for embedding directly in HTML, CSS, or JSON. Copy with…

Click anywhere on an image to extract the exact color. Get HEX, RGB, and HSL values plus a…

Generate QR codes for any URL, text, email, phone, WiFi, or contact info. Customize size, color, and error…

Design beautiful linear and radial gradients. Copy CSS or download as a PNG/JPG image at any resolution.

Add text watermarks to your images. Customize position, color, font, opacity, and angle. Protect your work in seconds.

Pixelate or blur sensitive parts of an image. Adjustable pixel size and selectable region for privacy and censoring.

Convert any image into a favicon. Generates 16x16, 32x32, 48x48, 192x192 PNG sizes plus a multi-size .ico file.

Combine multiple PDF files into one document. Drag to reorder, remove unwanted files, download instantly.

Extract specific pages from a PDF into a new file. Use page ranges like 1-3, 5, 8-10 or…

Reduce PDF file size by re-rendering pages at lower resolution. Adjustable quality. Works best on image-heavy documents.

Rotate PDF pages by 90°, 180°, or 270°. Apply to all pages or specific ranges. Fix sideways scans…

Visually reorder, delete, and rearrange PDF pages with drag-and-drop thumbnails. Perfect for cleaning up scans.

Convert every page of a PDF to a high-quality JPG or PNG image. Choose resolution and download each…

Extract all text content from a PDF as a plain .txt or markdown file. Preserves page breaks and…

Combine multiple images (JPG, PNG, WebP) into a single PDF document. Drag to reorder pages.

Pull every embedded image out of a PDF and download them individually. Supports JPG, PNG, and TIFF images.

Remove the password from a PDF you have permission to unlock. You must know the current password.

Add a text watermark to every page of a PDF. Customize position, color, opacity, rotation, and font size.

Insert page numbers into a PDF. Choose position, format (1, 1/N, Page 1, etc.), font size, and starting…

View and edit PDF metadata: title, author, subject, keywords, and creator. Useful for SEO, organization, and rebranding.

Inspect any PDF's full details: pages, dimensions, file size, metadata, version, encryption status, fonts used.

Count pages across multiple PDF files at once. Perfect for batch reporting, billing, or print-cost estimation.

Inspect every HTTP response header: status code, content-type, cache, HSTS, CSP, X-Frame-Options, and more.

Check any website's SSL/TLS certificate: validity, issuer, expiry date, days remaining, and SANs.

Trace every redirect hop from a URL to its final destination. See status codes and the complete redirect…

Analyze any page's title, description, Open Graph, Twitter Card, canonical, robots, and viewport meta tags.

View the raw HTML source of any public web page with built-in search, copy, and download.

Extract every internal and external link from any web page. See anchor text, nofollow status, and download as…

Measure a web page's HTML size, response time, resource counts, and third-party host list.

Preview any website at iPhone, Android, iPad, and desktop sizes. Check your responsive design instantly.

Count words, characters, sentences, paragraphs, reading time, and speaking time in any text — live as you type.

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, and more.

Generate placeholder Lorem Ipsum text by words, sentences, or paragraphs. Perfect for design mockups and prototypes.

Generate strong, customizable random passwords with letters, numbers, and symbols. Includes strength meter.

Reverse text by characters, words, sentences, or lines. Also flips text upside down using Unicode characters.

Find and replace text in any document with case-sensitive, whole-word, and regex modes. Live match counter included.

Remove duplicate lines from any list. Options for case sensitivity, trimming whitespace, and preserving order.

Sort any list of lines alphabetically, numerically, by length, or randomly. Ascending or descending.

Convert any title or phrase into a clean URL-friendly slug. Handles accents, special characters, and stop words.

Encode any text to Base64 and decode Base64 back to plain text. Full Unicode support, runs entirely in…

Encode and decode URL components and query strings. Handles spaces, special characters, and Unicode safely.

Format, beautify, validate, and minify JSON. Highlights syntax errors with line and column information.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes of any text. Useful for checksums, fingerprints, and integrity checks.

Strip all HTML tags or Markdown formatting from any text. Get clean plain text instantly.

Compare two pieces of text and see line-by-line additions and deletions, like a Git diff. Highlights every change.

Generate a clean robots.txt with custom rules, AI-bot blockers, sitemap declaration, and popular presets.

Build a valid XML sitemap from a list of URLs. Set priority, change frequency, and last-modified date.

Generate Apache .htaccess redirect rules: 301/302, www/non-www, HTTPS forcing, old domain → new domain.

Break any URL into protocol, host, path, query params, and fragment. Decode each query parameter individually.