Free calculators
Enter a few values and instantly see your budget, return and potential. Quick estimate, clear decision.
Showing 67 tools
Project Cost Estimator
Pick your project type and modules to instantly see an estimated budget and timeline.
Ad ROI / ROAS Calculator
Use your budget and conversion values to calculate estimated revenue, ROAS and ROI.
Conversion Rate (CRO) Gain
See the extra revenue from improving your conversion rate.
Customer Value (LTV) & CAC
Calculate customer lifetime value and its balance with acquisition cost.
Ad Budget Allocation
Split your budget across channels and see estimated clicks, leads and CPA.
SEO Traffic & Return Estimator
See estimated organic traffic and revenue potential based on your target ranking.
Site Speed Revenue Loss
See how much revenue your slow-loading site is costing you.
UTM Link Builder
Create trackable campaign links for your marketing.
Meta Tag & Preview
Preview how your title and description will look on Google.
SEO & GEO Analyzer
Enter a URL to measure your page's SEO and AI-search (GEO) readiness in seconds.
HTTP Status Code
Check the redirect chain and status codes.
Robots.txt Tester
Test whether a bot can access a URL.
Robots.txt Generator
Generate robots.txt including AI-bot blocking.
Canonical Checker
Audit a page's canonical tag.
Heading Hierarchy Analyzer
Audit the H1-H6 heading structure.
Schema.org Validator
Validate JSON-LD structured data.
Structured Data Generator
Generate JSON-LD schema (Organization, FAQ...).
Meta Tag Generator
Generate title, meta, OG and Twitter Card tags.
Indexability Checker
Check Google indexing signals.
XML Sitemap Checker
Validate the sitemap and measure reachability.
Site Speed Test
TTFB, total load time and page weight.
ROAS / Profit Simulator
See whether a campaign is profitable and its break-even point.
Ad Copy Checker
Score your ad copy; improve headline, description and CTA.
Audience Suggester
Meta interest and demographic suggestions for your industry.
Keyword Match Converter
Convert a list to Broad / Phrase / Exact match formats.
Negative Keyword Cleaner
Clean the list, remove duplicates and format it.
HTML Code Preview
Live HTML editor — preview as you type.
HTML Minifier
Strip whitespace and comments, shrink the size.
HTML → Markdown
Convert a URL or HTML to clean Markdown.
LLMS.txt Generator
Generate a site description file for AI models.
Keyword Idea Finder
Hundreds of search ideas from one word.
Word & Character Counter
Count words, characters, sentences and estimated reading time instantly.
Keyword Density
See the most frequent words in your text as percentages.
Readability Score
Measure how easy your text is to read with Flesch and Atesman scores.
Slug / URL Generator
Turn titles into clean, SEO-friendly URLs.
Case Converter
Convert text to UPPER, lower, Title, camelCase, snake_case and more.
Lorem Ipsum Generator
Generate placeholder text for designs and mockups.
JSON Formatter & Validator
Beautify, minify and instantly catch JSON errors.
Base64 Encoder / Decoder
Encode text to Base64 or decode it back.
URL Encoder / Decoder
Safely encode or decode URLs and parameters.
JWT Decoder
View a JWT token's header and payload in readable form.
Hash Generator (SHA)
Generate SHA-1, SHA-256, SHA-384 and SHA-512 from text.
UUID Generator
Create unique UUID v4 identifiers with one click.
Cron Expression Explainer
Translate cron schedules into plain language.
Regex Tester
Test regular expressions live and highlight matches.
Color Converter & Palette
Convert between HEX, RGB, HSL and generate tints and shades.
WCAG Contrast Checker
Measure color contrast against accessibility (AA/AAA) standards.
CSS Gradient Generator
Build gradients with live preview and copy the CSS.
Box-Shadow Generator
Drag the sliders to generate a CSS box-shadow.
Image Compressor
Compress images to WebP/JPEG in your browser and save size.
Favicon Generator
Generate all favicon sizes from a single image and download them.
Open Graph Preview
Preview how your link looks when shared on social media.
Hreflang Tag Generator
Generate hreflang tags for multilingual sites.
XML Sitemap Generator
Generate a valid XML sitemap from a list of URLs and download it.
301 Redirect Generator
Generate Apache (.htaccess) or Nginx redirect rules.
Engagement Rate Calculator
Measure your social media engagement rate and performance.
VAT Calculator
Instantly calculate amounts with VAT included or excluded.
AI Meta Tag Generator
Generate SEO title and meta description options with AI.
AI Blog Ideas & Outline
Generate blog titles and a content outline from a topic.
AI FAQ Generator
Generate a topic-specific question & answer set.
AI Ad Copy Generator
Generate headlines, descriptions and CTAs for Google/Meta.
AI Social Media Generator
Generate platform-specific post captions and hashtags.
AI Slogan Generator
Generate memorable slogans for your brand.
AI Rewriter
Rewrite text in different tones, make it flow better.
AI Summarizer
Condense long text into a summary and key points.
AI Translator (TR↔EN)
Translate fluently while preserving tone.
AI Chat Assistant
A Gemini-powered mini chatbot demo.
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