Is my code or data sent to any server?

No. All tools in Developer Tools execute 100% locally within your web browser. No code, API keys, passwords, or tokens are ever sent to remote servers.

Can I use Developer Tools offline?

Yes. The entire application is self-contained with local vendor scripts and works offline without internet connection.

Developer Tools v7.5 Complete

Developer Tools Suite - 31+ Free Online Utilities

100% Client-side privacy-first web developer utilities portal. All data is processed locally without remote server transmission.

📝 Text Utilities & Dual-Pane Diff Checker

Compare source code with side-by-side split & unified views, export Git-compatible .patch & .diff files. Remove duplicate lines, sort, format Markdown with live preview.

🔄 Converters (JSON, YAML, CSV, Base64, Timestamp)

Convert CSV to JSON and interactive tables, URL encode/decode, Base64 image/text, Unix epoch timestamp converter with live clock, JSON to YAML converter.

🔐 Security & Cryptography (JWT, Hash, UUID)

Inspect and verify JWT tokens with signature validation, generate SHA-256 / SHA-512 / MD5 / HMAC hashes, bulk UUID generator, string escape/unescape.

🚗 Embedded & Automotive Engineering Tools

Calculate Automotive CAN IDs (11-bit Standard & 29-bit Extended), Bitwise Register visualizer, CRC checksums (CRC-8, CRC-16, CRC-32), Endianness converter.

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