Performance first
No web fonts or large UI framework in the critical path. Most tools are small HTML, CSS and JavaScript pages.
Fast • Free • Privacy-minded
Practical web tools for everyday technical work.
Focused utilities for developers, DevOps engineers, website owners, marketers and SEO teams — without accounts, bloated dashboards or unnecessary steps.
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Tool catalog
Find the right utility fast
Focused tools with dedicated pages instead of one oversized interface. Search above or browse by category.
Developer Tools
View category →Developer Tools
JF
JSON Formatter
Format, validate and minify JSON directly in your browser.
FreeBED
Base64 Encoder / Decoder
Encode and decode UTF-8 text with standard or URL-safe Base64.
FreeUTC
Unix Timestamp Converter
Convert epoch seconds or milliseconds to readable dates and back.
FreeUG
UUID Generator
Generate secure UUID v4 identifiers individually or in bulk.
FreeHG
Hash Generator
Generate SHA hashes for text or local files.
FreeJD
JWT Decoder
Decode JWT headers, payloads and standard time claims.
FreeRT
Regex Tester
Test JavaScript regular expressions, capture groups and replacements.
FreeUED
URL Encoder / Decoder
Percent-encode URLs or components and decode them again.
FreeHEED
HTML Entity Encoder / Decoder
Escape HTML special characters or decode entities to text.
FreeCEH
Cron Expression Helper
Understand common five-field cron schedules and presets.
FreePG
Password Generator
Generate cryptographically random passwords locally in your browser.
FreeRSG
Random String Generator
Create secure random strings for development and testing.
FreeWebsite & Network Tools
View category →Website & Network Tools
DC
DNS Checker
Look up common DNS record types for a public domain.
FreeDPC
DNS Propagation Checker
Compare DNS answers across independent public resolvers.
FreeSC
SSL Checker
Inspect certificate validity, issuer, expiry and hostname coverage.
FreeHSC
HTTP Status Checker
Check a public URL's status code, timing and resolved IP.
FreeHHC
HTTP Header Checker
Review HTTP response headers returned by a public URL.
FreeRC
Redirect Checker
Trace redirect chains and identify the final destination.
FreeSC
Sitemap Checker
Validate XML sitemap structure and count listed entries.
FreeMTC
Meta Tag Checker
Inspect title, description, canonical, robots and H1 data.
FreeOGC
Open Graph Checker
Inspect Open Graph metadata published by a public webpage.
FreeSEO Tools
View category →SEO Tools
MTG
Meta Tag Generator
Generate essential SEO meta tags with a simple preview.
FreeRG
Robots.txt Generator
Build common crawler directives and sitemap references.
FreeSMG
Schema Markup Generator
Create starter JSON-LD for common Schema.org entity types.
FreeOGP
Open Graph Preview
Generate Open Graph tags and preview social metadata.
FreeSG
Slug Generator
Turn titles and phrases into clean lowercase URL slugs.
FreeText Tools
View category →Text Tools
WC
Word Counter
Count words, characters, sentences, paragraphs and lines.
FreeCC
Character Counter
Count characters with or without spaces plus text statistics.
FreeCC
Case Converter
Convert text between common writing and code casing styles.
FreeLIG
Lorem Ipsum Generator
Generate placeholder paragraphs for layouts and prototypes.
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Useful for technical work
Developer, hosting, security and SEO workflows are prioritized because users often need these checks quickly while working.
Privacy-minded architecture
Text and developer transformations run locally when possible. Network diagnostics send only the target needed to perform the requested check.