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Developer productivity tools — format, validate, compare, and convert data.
Advanced financial data parsers for EMV, SWIFT, and core banking logs
Visualize collision resolution strategies in hash map indexes.
Professional live HTML/CSS/JS editor and sandboxed preview
Analyze and filter server and application access log files.
Encode or decode Base64 strings
Convert color formats (HEX, RGB, HSL) to style web applications.
Convert tabular CSV file content into structured JSON objects.
Convert between JSON and CSV
Generate TypeScript interfaces from JSON
Convert JSON to XML and XML to JSON.
Convert between epoch timestamps and human-readable dates.
Percent-encode and decode URLs
Convert between YAML formatting and JSON objects.
Design CSS box shadows visually and copy clean CSS snippets for layouts.
Look up development and system commands instantly to speed up your workflow.
Build crontab expressions visually and translate them to plain English.
Generate realistic fake data for testing
Generate CSS code for modern frosted-glass card designs.
Design linear and radial CSS gradients visually for backgrounds.
Generate custom dummy placeholder text for layouts and copy.
Generate secure, URL-friendly unique string IDs using NanoID.
Generate secure v4 UUIDs for database and entity keys.
Minify CSS, JS, and HTML
Auto-format code in many languages
Format and validate JSON
Beautify and format complex SQL queries to improve readability.
Format and prettify nested XML documents to inspect data tags.
Verify background and foreground contrast to meet WCAG accessibility standards.
Compare two text snippets
Check identification card numbers using the Luhn checksum algorithm.
Verify and validate YAML syntax correctness.
Parse core banking trace logs into JSON
Inspect and parse EMV TLV payment packets for bank transaction analysis.
Parse and inspect SWIFT MT and MX banking message structures.
Decode magnetic stripe Track 2 data for payment card testing.
Local text editor and diff checker
Test regular expressions live
Optimize image file names and alt attributes to rank higher on search engines.
Generate and preview HTML meta tags to optimize website social sharing.
Preview Open Graph card layouts for social media platforms.
Generate and validate robots.txt configurations for SEO crawlers.
Optimize SEO title tags to maximize search engine click-through rates.
Generate XML sitemaps to index website pages.
Convert text into URL-friendly slug strings.
Unified testing suite for developers: API requests, Regex, Text Diff, JSON formatting, and Mock Data.
Inspect and optimize website SEO meta tags and preview search snippets.
