Online Developer Tools
— Fast, Private, Free
In-Browser Developer Tools
Format, convert, and process text, code, images and PDFs
— entirely in your browser and with zero sign-up.
Why Choose WebUtils?
Lightning‑Fast
Instant results with 100% client‑side processing.
Privacy‑First
Your data stays on your device; nothing is uploaded to our servers.
Developer‑Friendly
Clean UI and intuitive flows help you work faster with fewer errors.
Multi-Window Workflow
Detach tools into separate windows to view input and output simultaneously on different screens with real-time sync.
Popular Tools
Discover our most‑used developer tools
Punycode Encoder & Decoder | IDN Converter
Encode Unicode domains to Punycode or decode Punycode to Unicode. IDN converter.
Unicode Escape Encoder & Decoder | \uXXXX & \u{XXXXXX}
Encode text to Unicode escapes (\uXXXX or \u{XXXXXX}) or decode to text.
Base85 Encoder & Decoder | ASCII85 & Z85
Encode text to Base85 or decode Base85 to text with ASCII85 and Z85 variant support.
Get Started Free
No install or sign-up. Everything runs locally in your browser for speed and privacy.
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