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Instant tools that audit your product in a minute

Free online tools that answer one concrete question fast, with no signup and no install — and the line keeps growing.

Free, no signup Results in about a minute Honest, no black-box scores

Or pick a focus area — we'll show the tools for that job:

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EU AI Act Risk Classifier

Answer a short questionnaire and get a preliminary EU AI Act risk category for your AI system — prohibited, high-risk, limited or minimal — with your role, obligations, key dates and penalty exposure. Runs entirely in your browser. Not legal advice.

Classify my AI system
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LLM Spend Calculator

Model your monthly and yearly LLM API spend, then see how much prompt caching, batch processing and routing to a cheaper model would save — and compare 18 models from 6 providers on your exact workload. No signup.

Estimate my LLM spend
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AI ROI Calculator

Pick your processes and see where AI agents, RAG assistants and document automation pay off — hours and money saved, build and LLM costs, payback and 12/24-month ROI. No signup.

Find my AI opportunities
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Dev Brief & Spec Generator

Answer a short wizard about your website or app and we assemble a structured technical spec — goals, requirements, scope, stages and acceptance criteria — then email you the finished document with a free estimate. No signup.

Build my spec
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Project Cost Calculator

Pick a project type, describe what you need, and get an instant ballpark price for an MVP, a production build or a dedicated team — in three steps, with USD pricing. No signup.

Estimate my project
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Quote Review

Upload a development quote from any vendor and see which cost items are missing, where the price sits against typical ranges, which terms carry risk and what to ask before you sign. Your document is not stored.

Review a quote
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PDF to Word

Convert a PDF to an editable DOCX right in your browser: the file is never uploaded. Headings, lists, tables and links are preserved.

Convert
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PDF to Excel

Move tables from a PDF to Excel right in your browser: bordered or borderless, across pages. Amounts and dates become numbers.

Convert
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Startup Idea Validation

Describe your startup idea and we extract the search-demand phrases and check their volume, find real competitors with a live-domain check, and score it on five axes — demand, competition, complexity, monetization, risks. The full breakdown with an 8–12 week MVP scope and a cost range comes by email. No signup.

Validate my idea
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My IP Address

Click Check and instantly see your public IP address, operating system, browser, device, location, internet provider, proxy/VPN flag and full browser fingerprint — everything any website sees about you. No signup.

Check my IP
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VPN leak test

Check whether websites see your real IP, your ISP's DNS, WebRTC or IPv6 address while a VPN or proxy is on.

Run the test
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AI Text Detector

See how strong the AI fingerprint in a text is: a percentage, a breakdown by 7 signals and highlighted template phrases. Runs in your browser. Leave a short review and we rewrite the text without the AI fingerprint. No signup.

Check my text
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Find iPhone UDID

Get the UDID of an iPhone or iPad in a minute, right on the phone: three steps in Safari, with model and iOS version. Copy, share or download a .txt for your developer.

Find UDID
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AI Visibility Check

See whether ChatGPT, Claude, Perplexity and Gemini mention your brand when people ask the key questions in your niche — at what rank, next to which competitors, and your overall share of voice. Get a visibility index and a report with recommendations.

Check AI visibility
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AI Visibility (GEO-check)

See how your site looks to ChatGPT, Perplexity, Claude and Gemini: structured data (Schema.org), llms.txt, AI-crawler access (GPTBot/ClaudeBot/PerplexityBot) and how accurately assistants describe your brand. You get a GEO-readiness score 0–100 and what to fix. No signup.

Check site
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AI Website Assistant

Enter a domain — in about a minute we build a chatbot trained on your site's content. It answers with RAG, strictly from your pages, with links to the source pages. 20 questions free, save it by email and add the widget with one line.

Try the assistant
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Domain Rating check

Enter a domain and get a 0–100 link-authority score — our own metric built from our crawler and backlink database. See referring domains, total backlinks and the dofollow/nofollow split, plus the data freshness date. No signup.

Check domain
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Domain & email reputation

SPF, DKIM, DMARC, MX and blacklists: why your emails land in spam and which DNS record to fix.

Check a domain
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App Store readiness

95 checks against Apple and Google Play rules: blockers, why apps get rejected and how long the fix takes.

Check my app
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Comprehensive Website Check

One check, three areas: security, usability and SEO. Enter your website address and get everything in a single report.

Run the check
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Page Speed & Core Web Vitals

Test mobile and desktop speed with Google Lighthouse and real-user Chrome data, get the top fixes in plain language — and see how much revenue slow loading costs you each month.

Test my page
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SEO Analysis

Enter a URL and we crawl your pages to audit on-page SEO: title and meta description, a single H1 and heading outline, indexability, canonical, mobile-friendliness, Open Graph and structured data. You get an SEO score and per-page findings — exactly what's missing and what to add.

Analyze SEO
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Website Usability Check

We crawl your site and check real user experience: every button and link for a live destination, forms for fill-and-submit, mobile adaptivity, accessibility and structure. You get a concise report with a usability index and per-page findings, exactly where and what to fix.

Check a website
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App Usability from your Figma

Paste a link to a mobile-app Figma file. We open it, find the screens and check them against a checklist of the essential screens every app needs: which ones exist and which are missing. You get a screen map, a coverage index and clear recommendations on what to add.

Check a Figma file
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App review audit

Paste an App Store or Google Play link: top complaints grouped by theme, share of negative reviews, real user quotes and the rating trend by version. No signup.

Audit the reviews
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Accessibility Scan

Scan up to 10 pages for accessibility barriers: every finding mapped to a WCAG 2.2 criterion, European Accessibility Act signals and a concrete fix. Free, no signup.

Scan my site
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Website Security Check

Enter a URL and we run a non-destructive security recon: HTTPS and transport, security headers, cookie flags, mixed content, information leaks, plus a safe probe of sensitive paths such as exposed .git, .env and database dumps. You get a risk index, a prioritised checklist and evidence — with clear guidance on how to close each gap.

Scan a website
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Website Comparison by Niche

Compare your website against competitors — enter up to five yourself, or let us find them in your niche automatically. We snapshot ~23 features (content blocks plus SEO) across every site into one matrix and surface the gaps: what your competitors have that you don't yet, ranked by impact.

Compare websites
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Website Monitoring

Enter your URL and we check on the spot whether your site is up and its contact form works. Turn on free daily monitoring and we ping your site every day, emailing you the status — all OK, or your site is down — so you find out before your customers do.

Monitor my site

More tools on the way

We are building the next mini-tools for product teams. Have one you wish existed? Tell us and we will prioritise it.