100% Private • No tracking100% Client-Side•No data leaves your browser•No accounts•Works offline
100% Private • No tracking100% Client-Side•No data leaves your browser•No accounts•Works offline
Tool Index • May 2026
Every tool runs 100% in your browser. Zero servers. Zero tracking. Built for developers who value speed, privacy, and simplicity.
Total Tools
85
Categories
12
+3 new this month
Start in Seconds
17 tools
Transform JSON into Go struct types.
Convert JSON into Kotlin data classes.
Convert JSON to Rust structs.
Auto-generate interfaces from JSON.
Convert JSON to C# classes.
Generate Go structs from YAML files.
Convert YAML to Kotlin data classes.
Create Rust structs from YAML.
Generate TypeScript interfaces from YAML.
Parse XML and generate Go structs.
Generate Kotlin classes from XML.
Convert XML to Rust structs.
Generate TypeScript types from XML.
Convert CSV headers into Go structs.
Convert CSV into Kotlin data classes.
Generate Rust structs from CSV.
Generate TypeScript types from CSV.
14 tools
Build and test REST API requests in-browser.
Convert Unix epoch timestamps to readable dates with timezone-aware outputs.
Encode or decode URLs safely.
Live preview for Markdown documents.
Generate MD5, SHA1, SHA256 hashes from strings.
Build and validate cron expressions with schedule previews.
Decode and inspect JWT tokens instantly.
Encode or decode base64 strings.
Check HTTP status codes for any URL.
Prettify and validate JSON data.
Format and beautify HTML, CSS, and JavaScript code.
Test and debug regular expressions with live matching.
Convert length, weight, temperature, and more.
Yes. Every tool runs entirely in your browser. Nothing is sent to any server.
No. No sign-up. No emails. No tracking.
Most tools work fully offline after the first load.
Privacy-first by design. Your code and data never leave your device.
10 tools
Convert CSV rows into XML format.
Convert CSV into YAML.
Convert JSON into XML structure.
Convert JSON into YAML format.
Flatten XML data into CSV format.
Convert XML to structured JSON.
Transform XML to readable YAML.
Flatten YAML into CSV rows.
Convert YAML to standard JSON.
Convert YAML to structured XML.
9 tools
Preview how your page looks in Google search.
Generate SEO-friendly meta tags for HTML pages.
Generate robots.txt with Allow/Disallow, Crawl-delay, Sitemap directives.
Create and download sitemap.xml for your website.
Check URLs for SEO best practices.
Generate JSON-LD schema markup for better search results.
Analyze keyword density and distribution in your content.
Generate compelling meta descriptions for your pages.
Check domain registration date and age.
9 tools
Design linear or radial gradients visually.
Build CSS box-shadow visually.
Convert HEX, RGB, HSL color values.
Visually build CSS flexbox layouts.
Create smooth SVG wave patterns.
Build responsive CSS grid layouts visually.
Resize and compress images in the browser.
Create beautiful color schemes and palettes.
Visual utility class builder for Tailwind CSS.
7 tools
Generate random UUID v4 strings.
Generate filler text for design mockups.
Generate scannable QR codes from text or URL.
Create favicon icons from images or text.
Generate strong and secure passwords.
Calculate your exact age in years, months, and days.
Generate random numbers within any range.
4 tools
4 tools
3 tools
3 tools
3 tools
