All Tools

Paste messy JSON and turn it into clean, readable output.

Encode plain text to Base64 or decode Base64 back to readable text.

Convert Unix timestamps into readable dates and back again.

Generate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes for any text instantly.

Generate cryptographically random UUID v4 values in bulk — standard, uppercase, no-hyphens, or braces format.

Test and debug regular expressions in real time — see matches highlighted, groups extracted, and replacements applied instantly.

Build cron schedule expressions visually and get a plain-English description of when they will run.

Look up geolocation, ISP, timezone, and organisation for any IP address — or instantly find your own public IP.

Generate strong, random passwords with custom length and character sets — cryptographically secure, never sent to a server.

Generate QR codes for any URL or text — customise size, error correction, and colors, then download as PNG.

Decode and inspect JSON Web Tokens — view header, payload, claims, and expiry status instantly in your browser.

Combine multiple PDFs into one file in the order you choose.

Break one PDF into smaller files or separate page ranges.

Shrink JPG, PNG, and WebP files without leaving your browser.

Change image width and height for web, forms, or documents.

Erase the background from any photo in one click.

Find percentages, percent change, and reverse percentage values.

Add, subtract, multiply, and divide fractions with step-by-step working.

Solve linear and quadratic equations and see step-by-step working.

Paste a list of numbers and instantly get mean, median, mode, std dev, and more.

Calculate area, perimeter, and volume for common 2D and 3D shapes.

Type any math expression and see the graph plotted instantly.

Test LCP, CLS, INP, FCP, and TTFB for mobile and desktop — powered by Google PageSpeed Insights.

Generate HTML meta tags including OpenGraph and Twitter Card markup.

Build a valid robots.txt file with allow, disallow, and sitemap rules.

Generate a valid XML sitemap with multiple URLs, priorities, and change frequency.

See exactly how your page title and description will look in Google search results.

Analyse keyword frequency and density in any block of text.

Turn any title or phrase into a clean, SEO-friendly URL slug.

Trace the full redirect chain for any URL and see each HTTP status code.

Fetch any URL and verify the canonical tag — detect self-referential and cross-domain canonicals.

Generate JSON-LD schema markup for FAQ, Article, Product, Breadcrumb, and Organization.

Count words, characters, and sentences, and measure reading time and Flesch readability score.

Full SEO audit in one click — meta tags, redirects, Open Graph, Twitter Card, and security headers all analysed together.

Fetch any URL and audit every SEO meta tag — title, description, canonical, Open Graph, Twitter Card, and more.

See exactly how your page looks when shared on Facebook, X/Twitter, and LinkedIn before publishing.

Inspect the HTTP response headers of any URL — cache policy, security headers, content encoding, and more.

Paste your robots.txt and instantly test if any URL path would be allowed or blocked for a given crawler.

Instantly verify SSL/TLS certificate validity, expiry date, issuer, and Subject Alternative Names for any HTTPS website.

Scan any webpage for broken links, 404 errors, and redirects — find dead links hurting your SEO and user experience.

Look up DNS records for any domain — A, AAAA, MX, NS, TXT, CNAME, and SOA — instantly using Google's public DNS.

Look up domain registration details — owner, registrar, creation date, expiry date, and nameservers for any domain.

Generate hreflang link tags for multilingual and multi-regional websites to prevent duplicate content issues.

Calculate exact age in years, months, and days — plus next birthday and zodiac sign.

Find the exact number of days, weeks, months, and working days between two dates.

Convert any date and time across 18 major world time zones instantly.

Convert length, weight, temperature, area, volume, speed, and data size — all in one place.

Calculate your Body Mass Index in metric or imperial units with ideal weight range.

Calculate monthly EMI for home, car, or personal loans with amortization schedule.

Estimate returns on monthly SIP investments with a year-by-year growth chart.

Add or remove GST from any amount across all standard tax slabs — instantly.

See how money grows with compound interest — choose frequency and view year-by-year results.

Calculate fixed deposit maturity amount, interest earned, and periodic payouts.