StarWeb Tools

Free online services that speed up your work

Practical generators, converters and calculators for webmasters, marketers and businesses.

LI
link

URL shortener

Create compact links for websites, campaigns and social media.

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MA
marketing

UTM campaign URL builder

Build tagged campaign URLs for Google Analytics.

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MA
marketing

QR code generator

Create and download a QR code for a URL or text.

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BU
business

WhatsApp link generator

Create a WhatsApp link with a phone number and prepared message.

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SE
seo

SEO meta tag generator

Generate title, description, canonical and Open Graph markup.

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SE
seo

robots.txt generator

Prepare robots.txt rules and a sitemap reference.

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SE
seo

SEO slug generator

Turn a title into a clean readable URL slug.

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WE
webmaster

JSON formatter and validator

Validate, format or minify JSON safely in the browser.

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WE
webmaster

Base64 encoder and decoder

Encode and decode Base64 text in your browser.

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WE
webmaster

Secure password generator

Create a cryptographically random password with custom options.

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CO
content

Word and character counter

Count words, characters, sentences and reading time.

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WE
webmaster

Unix timestamp converter

Convert Unix timestamps to dates and back.

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BU
business

Percentage calculator

Calculate percentages, increases and decreases.

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BU
business

Margin and markup calculator

Calculate profit, margin and markup from cost and price.

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MA
marketing

ROAS and ROI calculator

Measure advertising return from spend, revenue and profit.

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BU
business

Discount calculator

Calculate the final price and savings after a discount.

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