Free Online Developer Tools
Quick, privacy-friendly utilities for everyday developer tasks. Everything runs in your browser; nothing is uploaded to our servers.
Processed in your browser · No upload
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Featured Tools
UUID Generator
Generate RFC 4122 v4 UUIDs instantly in your browser. Choose how many to generate and copy the result with one click.
Base64 Encoder
Encode any UTF-8 text to Base64 online for free. Processed entirely in your browser — no data leaves your device.
Background Remover (Transparent PNG)
Remove the background from any image and download a transparent PNG. Runs locally in your browser using a self-hosted AI model — no upload, no account.
Hash Generator
Generate SHA-1, SHA-256, and SHA-512 hashes from any text. Uses the Web Crypto API and runs entirely in your browser.