All Tools
Browse everything in one place, from JSON cleanup to image compression and PDF tasks.
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.
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.
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.
Generate hreflang link tags for multilingual and multi-regional websites to prevent duplicate content issues.