Free tools
Websites, search visibility and software that fits your business.
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On-page SEO check
Check the title, headings, links and indexation signals of one public page.
Open toolGEO and AI content check
Review company facts, authorship and content structure. This is a rule-based check, not an AI ranking prediction.
Open toolrobots.txt generator and tester
Generate crawl rules, then test a path against the chosen user-agent group. Blocking a crawl does not remove an indexed URL.
Open toolXML sitemap generator
Paste one absolute URL per line. Duplicates are removed and XML characters are escaped. This tool does not crawl your website.
Open toolImage compressor
Reduce image dimensions and choose output quality. Compare the downloaded file at its actual display size before replacing the original.
Open toolWebP converter
Convert JPEG, PNG or WebP files in your browser. Transparent pixels are retained when the chosen format supports them.
Open toolImage resizer
Set a maximum width. The aspect ratio stays the same and smaller files are not enlarged.
Open toolJSON-LD validator and formatter
Paste JSON-LD without script tags. Syntax checks do not guarantee search eligibility or rich results.
Open toolUTM link builder
Add campaign parameters while preserving existing query values and the fragment. Keep personal data out of tracking parameters.
Open toolJSON formatter
Validate and format JSON locally. Large integer values beyond JavaScript’s safe range are rejected to avoid silent rounding.
Open toolURL encoder and decoder
Encode or decode a URL component. This is component encoding, so slashes and other separators are escaped too.
Open toolBase64 and Base64URL converter
Encode Unicode text as UTF-8 bytes or decode valid UTF-8 Base64. Base64 is an encoding, not encryption.
Open toolSHA-256, SHA-384 and SHA-512 hashes
Hash text or a local file with Web Crypto. Matching a checksum verifies bytes, not the identity or safety of the file.
Open toolUUID v4 generator
Create random identifiers with Web Crypto. Use a uniqueness constraint as well when saving records to a database.
Open toolSecure random password generator
Generate passwords with a cryptographic random source. Each password includes upper and lower case, a digit and a symbol. Results stay in this tab.
Open toolText statistics and word frequency
Count words, Unicode code points and recurring terms. A frequency table is descriptive and does not measure writing quality.
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