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Labs

All 17 tools

Meta Title & Description Preview

See how a page may appear in Google, check its metadata and copy the HTML tags.

HTTP Header & Redirect Checker

Find where a web address redirects and check the response returned by the website.

XML Sitemap Validator

Find broken XML, missing page addresses and duplicate entries in a sitemap file.

Open Graph & Social Preview

Preview the image, headline and description people see when your link is shared.

Colour Contrast Checker

Check whether your text and background colours have enough contrast for reading.

JSON Difference Checker

Find which values were added, removed or changed between two JSON documents.

JWT Decoder & Claim Inspector

Read a token’s contents and expiry time. This tool does not verify its signature.

Cron Expression Builder

Type a cron schedule or choose an example, then see when it will run next.

Robots.txt Generator & Checker

Create rules that tell search crawlers which parts of your website to avoid.

JSON Format, Minify & Correct

Make JSON readable, remove extra spacing or find and fix common syntax errors.

Unix Timestamp Converter

Turn a timestamp from an app or log into a readable date and time.

URL Encoder & Decoder

Encode a full web address or turn its escaped characters back into readable text.

Secure Password Generator

Choose a password length and character types, then generate a random password.

MD5 Hash Generator

Create an MD5 text checksum when an older integration or test requires one.

Base64 Encoder & Decoder

Turn text into Base64, or decode a Base64 value back into readable text.

JavaScript Obfuscator & Deobfuscator

Wrap JavaScript to make it less readable, or restore code wrapped by this tool.

301 & 302 Redirect Generator

Send visitors from an old page to its replacement with Apache or Nginx redirect rules.