Tools
Free tools that run in your browser
19 free tools for business owners, grouped below by what they check. No sign-up, and nothing is stored. The image and password tools work inside your browser; the website checks fetch a public page once from our server.
- Your files never leave your device — the work happens in your browser
- No account and no email address needed
- Free to use
Recommended browser: Works best in Google Chrome. Also tested in Firefox and Microsoft Edge; Safari opens everything except saving as WebP, and the tool tells you when that is the case.
Website checks
Seven tools · what Google, your visitors and attackers seeWordPress Site Check
The flagship check for WordPress sites: setup, every plugin and the theme against wordpress.org (stale, closed, outdated), and a light security read — one score, one fix list.
Open →SEO Checker (Light)
The light version: paste a page URL for 16 automated on-page checks with a fix for each.
Open →Speed Check (Light)
The light version: how fast your server answers and how heavy the page is, measured from our server, with a fix for each finding.
Open →Google Snippet Preview
Type a title and description and see the Google result on desktop and mobile — with the real pixel cut-off.
Open →Social Link Preview
See how a link looks on Facebook, LinkedIn, X and WhatsApp — fetch the tags from a page or write them, then copy them.
Open →Robots & Sitemap Checker
Is Google allowed in? Reads your robots.txt and XML sitemap and flags a blocked site, blocked assets, a missing or empty sitemap.
Open →Schema Markup Generator
Fill a form, get valid JSON-LD for a local business, organization, FAQ, product, article or breadcrumbs.
Open →
Content & marketing
Four tools · in your browserKeyword & Content Analyzer
Paste a draft: word count, reading time, readability grade, keyword and phrase density, headings — with a focus-keyword check.
Open →UTM Link Builder
Tag a link with source, medium and campaign so Google Analytics shows which post, ad or email brought the visit.
Open →Slow Website Cost Calculator
Your visitors, conversion rate and order value → what every extra second of load time costs you a month.
Open →Colour Contrast Checker
Text on background → the WCAG contrast ratio, AA/AAA verdicts, a live sample and the nearest passing shade.
Open →
Images
Five tools · for faster pagesFavicon & App Icon Generator
One logo → favicon.ico, every PNG size, Apple touch icon, Android icons, a maskable icon, the manifest and the head code — as a zip.
Open →Image Optimizer
Compress and resize up to five images at once; keeps each format and the aspect ratio, shows the before/after size.
Open →Image to WebP Converter
Convert JPG and PNG to WebP for smaller files that still look sharp.
Open →Image to WebP Converter with Resize
Convert to WebP and set the width or height in one step.
Open →Image Resize & Crop
Crop to exact pixel sizes, several from one image — for hero images, thumbnails and share images.
Open →
Passwords
Three tools · generated and checked on your devicePassword Generator
Strong random passwords — length, letters, numbers and symbols, your choice.
Open →Passphrase Generator
Real-word passphrases from the EFF list, 3–8 words, with the word list to learn them by.
Open →Password Strength Checker
See how a password holds up — checked on your device, never sent anywhere.
Open →
And one game
Arrow keys or WASD · swipe on a phone · built in plain JavaScript, no library
Stack Snake
The classic snake, except the food is the stack this site is built with. Your best score stays in your browser, so it is something to play while the images convert.
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