Kadharmoideen Fadurudeen

Lead Engineer & Architect with 19+ years of experience building scalable applications and leading high-performing teams.

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KadharLead Engineer & Architect
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Free Online Developer Tools

Free online developer tools and utilities. Format JSON, encode/decode URLs and Base64, validate data, and more. No signup required. Fast, secure, and easy-to-use.

✓ JSON Viewer | ✓ URL Encoder/Decoder | ✓ Base64 | ✓ UUID Generator | ✓ Hash Generator | ✓ QR Code | ✓ Regex Tester | ✓ Markdown Preview

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JSON Viewer
Format, validate, and visualize JSON data with syntax highlighting and tree view
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URL Encoder/Decoder
Encode and decode URL strings with percent encoding
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Base64 Encoder/Decoder
Encode and decode text to/from Base64 format
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UUID Generator
Generate UUID v4 (random) and UUID v1 (timestamp-based) instantly
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Hash Generator
Calculate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes from text
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QR Code Generator
Create QR codes from text, URLs, emails, phone numbers, and WiFi
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Regex Tester
Test regular expressions against sample text, see matches and replace
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Markdown Live Preview
Type or paste Markdown and see the rendered result instantly

Coming Soon

More tools on the way: Color picker/converter, Timestamp converter, Diff checker, and more!