57 free tools for SEO, PDFs and invoices

AI Crawler CheckerNew 5.0 See whether ChatGPT, Claude, Perplexity, Gemini and other AI bots may crawl a site, with an AI readiness score. Background RemoverNew Remove image backgrounds with AI, then crop, resize, filter, watermark and compress, all in your browser. Broken Link CheckerNew Crawl up to 500 pages or check one page: every dead link with its page and anchor text, internal links that redirect, broken images, a fix sheet and CSV. Canonical Tag Checker 5.0 Check a page's canonical tag and catch canonical mistakes. Compress PDFNew Make a PDF smaller for email and upload limits, without uploading it anywhere. Disavow File GeneratorNew Make a Google disavow file from your Search Console Links export, merged with the file you already uploaded and checked against every rule, after checking you need one at all. DNS LookupNew Check whether an IP is really Googlebot, Bingbot or an AI crawler, by reverse DNS and the published IP lists, or read a domain's DNS records with SEO notes: Search Console TXT, www, forgotten records. Email Signature GeneratorNew Design a professional email signature for Gmail, Outlook and Apple Mail from ready templates. Foreign Payment Fee Calculator (India)New One foreign invoice, every route: the rupees PayPal, Payoneer, Wise, Skydo, Xflow and a bank wire each leave in your bank, every fee and FX margin shown and dated, the cheapest by invoice size, and what to invoice for a set rupee amount. Free Invoice GeneratorNew 5.0 Create a professional invoice in your browser and download it as a PDF. Free Website AuditNew Score your site on SEO, speed, security, AI visibility, leads, email and local SEO, side by side with a competitor. Freelance SEO Rate CalculatorNew Your income, costs, tax set-aside and billable hours give a minimum and a target hourly rate, a price for each package, a check against Indian and Upwork rates, a USD quote after receiving fees, and a rate card. Google Review Link GeneratorNew The write-a-review link for a Business Profile from a Maps link or Place ID, with the QR code, a printable counter card and WhatsApp, SMS and email messages in English, Hindi and Hinglish. Heading Structure CheckerNew See a page's H1 to H6 outline and fix multiple H1s, skipped levels, empty and repeated headings. Hreflang Checker and GeneratorNew Opens every language version a page or sitemap names to confirm the return link, code, status and canonical, with the fix for each problem, and writes the full hreflang set as HTML, a sitemap block or an HTTP header. HTTP Header CheckerNew Every response header explained: X-Robots-Tag and Link canonical, caching and 304s, gzip and Brotli, security headers, as a browser and as Googlebot. HTTP Status Checker See the status code and full redirect chain for one or many URLs. Hyperlink Generator Turn a list of URLs into HTML anchor tags with the right rel and target. Image Alt Text CheckerNew List every image on a page with its alt text and fix missing, empty, file-name and generic alt tags. Image CompressorNew Compress and convert images to WebP, AVIF, JPG or PNG in your browser, 50 at once or every image on a page: resized to the width shown, a size in KB for forms, the picture tag to paste. Never uploaded. IndexNow SubmitterNew Make an IndexNow key, check the key file on each host, and send new, changed or deleted URLs to Bing, Yandex, Naver, Seznam and Yep, pasted or from your sitemap, with every answer explained. Internal Link CheckerNew 5.0 Crawl up to 500 pages: links in and out of every page with anchor text, orphans against your sitemap, click depth, anchor issues and where to add links. JPG to PDFNew Turn photos and scans (JPG, PNG, WebP) into one PDF on A4, Letter or the image size. Keyword Suggestion ToolNew Hundreds of real phrases from Google, YouTube and Bing autocomplete around your seed: A to Z, questions, modifiers, grouped and filterable. Knowledge Graph CheckerNew See whether Google's Knowledge Graph knows your brand or name: the KGMID, types and official site, checked against Wikidata and your own Organization markup, with a short list of what to fix. llms.txt Generator and ValidatorNew Make an llms.txt from your sitemap with each page's own title and description, or check an existing file: the format, Lighthouse's rules and every link. Honest about what it does. Log File AnalyzerNew Drop your access logs and see verified Googlebot and AI bot hits, fake bots, status codes, crawled folders and missed sitemap URLs. Read in your browser, never uploaded. Merge PDFNew Combine PDFs and images into one PDF in the order you want, in your browser. Meta Tag Analyzer Audit title, description, Open Graph, Twitter and other meta tags of a page. Mobile-Friendly TestNew See a page on a phone, the viewport, tap target and layout problems with the fix for each, and what Googlebot smartphone gets compared with desktop. Monthly SEO Report BuilderNew Drop your Search Console and GA4 exports and get a one-page monthly SEO report, leads first, with last month and the same month last year beside each number. Save as PDF; nothing is uploaded. Noindex Tag Checker Find noindex in meta robots tags and X-Robots-Tag headers that keep a page out of search. Password Generator Generate strong passwords and check how strong yours is. Everything runs in your browser. PayPal Fee CalculatorNew Work out PayPal fees, currency conversion and what you receive, by country. PDF EditorNew Add text, highlights, whiteout, shapes and your signature to any PDF page, in your browser. QR Code GeneratorNew Create QR codes for links, WhatsApp, Wi-Fi, contacts and more, with your colours and logo. Question FinderNew Every question people ask about a topic from Google, YouTube, Bing and DuckDuckGo autocomplete, as a wheel and a list, out as headings, FAQ schema or CSV. Readability CheckerNew Grade and Flesch score for any text or URL, with the long, passive and hard sentences highlighted, Yoast-style checks and an answer-first test. Redirect CheckerNew 5.0 Follow every hop of a redirect chain as Googlebot does: the code, type and time per hop, loops, the extra hop to drop, meta refresh and JavaScript redirects, 100 URLs, the four versions of a domain, a migration map with pass or fail, and the fix per platform. Redirect Map GeneratorNew Match a migration's old URLs to the new ones, fix the leftovers, catch chains, loops and home-page dumping, and export .htaccess, Nginx, Cloudflare, WordPress, Shopify or CSV redirects. Lists stay in your browser. Rendered HTML CheckerNew Compare a page's raw HTML with the JavaScript-rendered version: what Google and AI crawlers get, tags changed by JavaScript, links Google cannot follow. Robots.txt GeneratorNew Build a correct robots.txt for your platform, with the AI-bot choice, your Sitemap line and a check of the file you have. Robots.txt Tester Test whether a crawler may fetch a path under a site's robots.txt. Schema Markup GeneratorNew Form to JSON-LD for local business, organisation, article, product, breadcrumb, event, job, video and more, with Google's required fields marked and prefill from your page. Schema Markup Validator Extract and validate the structured data (JSON-LD) on a page. Search Console CompareNew Drop two Search Console exports and see which pages, queries and folders won or lost clicks, what dropped out, and Google's update dates on the same timeline. Read in your browser, never uploaded. SEO ROI CalculatorNew What extra traffic or target rankings are worth: leads, revenue, return and the month SEO pays back, as a low to high range that builds over months, with AI Overview click rates and a proposal summary. SERP Snippet PreviewNew Your title and description as Google shows them on desktop and mobile, measured in pixels, with a rewrite check, many pages at once and the tags to copy. Social Preview CheckerNew Your link as WhatsApp, LinkedIn, Facebook and X draw it, with each platform's verdict and the reason: image size and weight, missing tags, a blocked crawler, and the tags to copy. SSL Checker 5.0 Check SSL certificates for one or many domains: issuer, expiry, protocol and hostname match. Stripe Fee Calculator Work out Stripe fees and what you receive, by country and card type. URL Slug GeneratorNew Turn a title into a clean, short URL slug: filler words out, Hindi to Latin letters, the keyword kept, the address checked. UTM BuilderNew Campaign links GA4 can read: presets for Business Profile, WhatsApp, newsletters and ads, lowercase enforced, the GA4 channel shown, many placements at once with CSV. Website Speed Test Measure a page's server response, page weight and requests, with fixes for what slows it down. Word Counter & Keyword Density Checker Count words and see which keywords and phrases a text or page uses most. XML Sitemap GeneratorNew Crawl a site of up to 500 pages and download a clean sitemap.xml, with what was left out and why. XML Sitemap ValidatorNew Check a sitemap or sitemap index the way Google reads it, then test a sample of its URLs.