Online tools for developers and SEO specialists. No sign-up, nothing is stored.
Secret Key Generator
FreeCryptographically secure keys for Bitrix, JWT, WordPress and other platforms. 32–512 bits, Hex/Base64. Works in browser.
Sitemap Analyzer
FreeHow many pages your sitemap.xml lists, how they split across sections, how many carry a last-modified date and what holds crawling back. A domain is enough.
On-Page SEO Checker
FreeYour page as a crawler sees it: title, description, H1, subheadings, structured data, image alt text and response time.
What to write about
FreeQueries in your niche with Yandex Wordstat volume that your site does not cover yet. A domain is enough.
Robots.txt checker
FreeWhat is closed to Yandex and Google — and whether the site allows ChatGPT, Claude and Perplexity crawlers.
Schema.org markup generator
FreeJSON-LD for articles, FAQs, how-tos, organizations, products and breadcrumbs. Runs in your browser.
Text analyzer
FreeVolume, water, nausea, word frequency and keyword occurrences across word forms. The text is never sent anywhere.
SEO Writer generates articles with AI and publishes them to WordPress, 1C-Bitrix, InSales, Joomla — or to any website via a webhook.
Try for free →