Free Marketing & SEO Tools

A complete suite of free SEO and marketing tools from Marketing Agency Singapore — calculators, generators, checkers and previews for SEO, AI search, content, ads and design. Every tool runs in your browser: no signup, no limits, nothing stored. Built by our team to make everyday marketing work faster.

SEO & technical tools

On-page and technical SEO essentials — preview, generate and validate the elements that decide how well Google crawls and ranks your pages.

SERP Snippet & AI Overview Preview

See how your title and meta description appear in Google — desktop, mobile and AI Overview — with real pixel-width truncation.

Meta Tags Generator

Generate a full head block: title, description, canonical, robots, Open Graph and Twitter tags, with live length checks.

Schema Markup Generator

Build valid JSON-LD structured data (FAQ, Article, HowTo, Local Business, Organization) for SEO and AI-search citation.

Keyword Density Analyzer

Analyse word and phrase frequency and check a target keyword’s density against the healthy range.

Keyword CTR & Traffic Estimator

Estimate monthly organic clicks from search volume and position — with an AI Overview mode that models the CTR drop.

robots.txt Generator & Tester

Build a valid robots.txt, block scrapers or AI bots by choice, and test any path against the rules before you deploy.

XML Sitemap Generator

Turn a list of URLs into a valid sitemap.xml with lastmod, changefreq and priority — deduped and validated.

Hreflang Tag Generator

Generate valid hreflang annotations for multilingual sites (EN, ZH, MS, TA…) with x-default.

301 Redirect Generator

Turn old-to-new URL pairs into ready-to-paste redirect rules for Apache, Nginx, WordPress or PHP.

URL Slug Generator

Turn any title into a clean, lowercase, hyphenated, SEO-friendly slug — with stop-word removal and accent handling.

AI search & AEO tools

Answer engine optimisation tools to help your business get found and cited by ChatGPT, Perplexity, Claude and Google’s AI Overviews.

★ AI Visibility & AEO Readiness Checker

Our flagship tool. Score any URL on how visible it is to AI assistants — crawler access, schema, structure and trust — with prioritised fixes.

AI Crawler & llms.txt Generator

Control which AI crawlers can access your site and generate an llms.txt to guide them to your best content.

Readability & AEO Clarity Checker

Score content with Flesch reading ease and grade level, plus an AEO checklist so AI assistants can quote your page.

Content & social tools

Write, format and tune content and social posts — from headlines that earn clicks to captions that fit every platform.

Blog Title & Headline Analyzer

Score any headline out of 100 on length, power words, emotion and numbers — with tips to lift click-through.

Word Counter & Content Length Checker

Count words, characters and reading time, and check your draft against the ideal length for its content type.

Text Case Converter

Convert text to Title Case, Sentence case, UPPER/lowercase, camelCase, kebab-case, snake_case and more.

Social Media Character Counter

Count your post against every platform’s limit and truncation point — X, LinkedIn, Instagram, TikTok and more.

Email Subject Line Tester

Score your subject line with an inbox preview, spam-word flags and length checks to lift open rates.

Open Graph & Social Preview

See how your link looks when shared on Facebook, LinkedIn and X, and generate the Open Graph tags to control it.

UTM Campaign URL Builder

Build consistent UTM-tagged campaign URLs so every click is tracked correctly in GA4.

Ads, analytics & growth calculators

Plan budgets, model returns and find the leaks — the numbers that decide whether your marketing actually pays.

Marketing ROI & ROAS Calculator

Turn spend and revenue into ROAS, marketing ROI, cost per acquisition, gross profit and break-even ROAS.

Google Ads Budget & CPC Calculator

Forecast clicks, conversions, cost per conversion, revenue and ROAS from your PPC budget and CPC.

Google Ads RSA Builder

Build Responsive Search Ads with live character counts, a Google-style preview and a best-practice checklist.

CPM, CPC & CTR Calculator

Enter spend, impressions, clicks and conversions to get CPM, CPC, CTR, CPA and conversion rate in one place.

Conversion Rate Calculator

Calculate your conversion rate, revenue and revenue per visitor — plus a what-if for hitting a target rate.

A/B Test Significance Calculator

Check whether an A/B test result is real or random — conversion rates, uplift and statistical confidence.

Sales Funnel Conversion Calculator

Enter each funnel stage to see step and overall conversion, your biggest drop-off and revenue per visitor.

LTV : CAC Calculator

Turn order value, frequency, lifespan and margin into LTV, CAC, the LTV:CAC ratio and payback period.

Design & utility tools

Fast, private, browser-based utilities for everyday marketing and web work — no upload, no signup.

Image Compressor (No Upload)

Compress and resize JPG, PNG or WebP images entirely in your browser — smaller files for faster, SEO-friendly pages.

Colour Palette Generator

Generate harmonious colour schemes, lock the ones you like, and copy hex codes or export CSS variables.

QR Code Generator

Turn any URL or text into a high-resolution QR code — download as PNG or print-ready SVG.

How free tools fit into a smarter marketing workflow

Every calculator and generator on this page is built to answer one specific question quickly — is my A/B test result real, will this caption get truncated, is this redirect rule correct — without you opening a spreadsheet or a Stack Overflow tab. The point isn’t novelty; it’s removing the small frictions that quietly slow a marketing team down. Bookmark the ones you reach for weekly, whether that’s the keyword density analyzer before you publish or the funnel conversion calculator during a monthly review.

We build these because they mirror the checks our own team runs on client work. If a tool surfaces a problem you can’t easily fix in-house — a leaking funnel, a keyword strategy that isn’t landing, a redirect map for a site migration — that’s exactly the kind of work our SEO team in Singapore handles day to day.

Why we made them free (and genuinely useful)

Most “free tools” online are lead-capture gates in disguise: enter your email to see the result. Ours run entirely in your browser, need no sign-up, and store nothing. That also means they work offline once loaded and never send your draft copy or URLs to a server — a small but real privacy win when you’re pasting unpublished content or client data.

Do I need an account to use these tools?

No. Every tool runs client-side in your browser with no login, no email gate and no data stored. Open the page, use it, close the tab — nothing is saved or sent anywhere.

Are more free tools being added?

Yes. We ship new tools regularly based on the questions Singapore marketers and business owners actually ask us. If there’s a calculator or generator you’d find useful, tell us via our contact page and it may well become the next one we build.