Free practical tools for developers, website owners, SEO teams and digital builders.
Sopido Tools - free online tools for a smarter web
Tool directory

Free web utility tools

A practical directory of the first 30 Sopido Tools utilities, organized by task rather than by keyword variants.

Domain and DNS Tools

Domain registration, DNS records, IP visibility and domain operations.

Website Diagnostics

Point-in-time diagnostics for HTTP, TLS, redirects, uptime, performance and visual checks.

Uptime CheckerHTTP Status CheckerSSL Certificate CheckerRedirect CheckerSecurity Headers CheckerWebsite Speed TestWebsite Screenshot

SEO Tools

Crawl, metadata, structured data, canonical and international SEO utilities.

Meta Tag GeneratorRobots.txt GeneratorSitemap GeneratorSchema GeneratorOpen Graph CheckerCanonical CheckerHreflang Checker

Developer Tools

Local browser utilities for structured data, encoding, regular expressions, IDs and source formatting.

JSON FormatterJSON ValidatorURL Encoder and DecoderBase64 Encoder and DecoderRegex TesterUUID GeneratorJWT DecoderHTML FormatterCSS MinifierJavaScript Minifier

Web Asset Tools

Practical image and icon tools for web delivery and brand assets.

Favicon GeneratorImage CompressorWebP and AVIF Converter