🛠️ 61 Free Tools

Small, focused tools for SEO, writing, code, media, and money. Everything runs in your browser — nothing is uploaded, and there is no sign-up.

🔎 SEO & Metadata

All 18 SEO & Metadata tools →
🔎

Meta Tag & SERP Snippet Preview

Preview how your page appears in Google search and generate optimized meta tags.

🏷️

HTML Meta Tags Generator

Build a complete set of head meta tags — title, description, canonical, robots, and more.

🔗

Open Graph & Twitter Card Generator

Generate og: and Twitter Card meta tags with a live social preview for perfect link sharing.

🧩

Schema Markup Generator (JSON-LD)

Generate valid Article, FAQ, and Breadcrumb JSON-LD structured data to earn rich results in Google.

🎬

Video Schema Generator

Generate valid VideoObject JSON-LD schema markup for any YouTube video to improve SEO.

🌍

Hreflang Tags Generator

Generate hreflang link tags with x-default for multilingual sites, and catch invalid language and region codes.

🤖

robots.txt Generator

Build a valid robots.txt with presets or custom Allow/Disallow rules and sitemaps, then copy it.

🔗

URL Slug Generator

Turn any title into a clean, SEO-friendly URL slug — lowercase, hyphenated, accent-free.

🎯

UTM Campaign URL Builder

Build trackable campaign links with UTM parameters for Google Analytics.

🚦

robots.txt Tester

See if a crawler may fetch a URL under your robots.txt - and the exact rule that decides, using Google's matching.

🕷️

AI Crawler Access Checker

Check which AI crawlers - GPTBot, ClaudeBot, PerplexityBot, Google-Extended and more - your robots.txt allows.

🧩

Schema Markup Validator (JSON-LD)

Check JSON-LD against Google's rich result requirements: missing properties, bad dates, wrong types.

🗺️

XML Sitemap Generator

Turn a list of URLs into a clean sitemap.xml - de-duplicated, escaped and split at 50,000 URLs.

⚡

Search Console Quick Wins Finder

Find searches ranking 4-20 in your Search Console export and the extra clicks each could bring.

📈

SEO Traffic Forecast

Forecast your clicks from Google for the next 3, 6 or 12 months from a Search Console export.

🧭

Topic Cluster Map

Group the searches you appear for into topics and see which need a new article or an update.

💰

Organic Traffic Value Calculator

Put a price on your Google traffic: what the same clicks would cost as ads over 1, 3 and 5 years.

🏎️

PageSpeed & Core Web Vitals Checker

Run Google PageSpeed Insights on any page: scores, real-user Core Web Vitals and the biggest time savers.

📝 Content & Writing

All 9 Content & Writing tools →

⚙️ Developer Tools

All 18 Developer Tools tools →
✂️

Split a File

Break a large file into numbered pieces small enough to email or upload — and joinable again without any tool.

🧩

Join Split Files

Reassemble .001 and .part pieces into the original file, with the order detected and missing pieces flagged.

🎲

Random File Generator

Generate a dummy file of an exact size, random bytes or zeros, for testing upload limits and storage.

🧾

JSON Formatter & Validator

Format, minify, and validate JSON online with instant error messages and quick stats.

📰

RSS & Atom Feed Parser

See every item in an RSS or Atom feed and catch missing images, bad dates and relative links.

🔐

Base64 & URL Encoder/Decoder

Encode and decode text as Base64 or URL-safe strings, with full UTF-8 support.

🔀

Text Diff Checker

Compare two texts and see exactly what was added, removed, or changed, line by line.

🔤

Case Converter

Convert text between UPPERCASE, Title Case, camelCase, snake_case, kebab-case and more.

🎨

Color Contrast Checker

Check text and background colors against WCAG AA/AAA accessibility standards.

🔑

Password Generator & Strength Checker

Generate cryptographically secure passwords and check the strength of an existing one.

🖥️

Can My Computer Run This AI Model?

Check whether a local AI model fits in your graphics card or system memory, from its size and quantization.

🌡️

GPU Temperature & Hotspot Checker

Is the gap between your GPU temperature and hotspot normal? A verdict based on published Nvidia and AMD limits.

📑

Merge PDF Files

Combine several PDF files into one, in the order you choose. Runs in your browser; nothing is uploaded.

✂️

Split PDF

Save a range of pages as a new PDF, or split every page into its own file. Nothing is uploaded.

⏱️

Upload & Download Time Calculator

How long a file takes to upload or download at your connection speed, with a realistic efficiency setting.

🔌

PC Power Cost Calculator

Energy use and running cost of a computer per month and year, from its wattage and your electricity price.

💾

Storage Space Calculator

How many photos, videos or songs fit on a drive or card, and why 1 TB shows as 931 GB in Windows.

⚛️

Quantum Speed-up Calculator

How the state space grows with each qubit, and how many steps Grover’s search needs versus an ordinary computer.

🎬 Video & Image

All 6 Video & Image tools →

💰 Finance & Crypto

All 10 Finance & Crypto tools →