Privacy-focused processing

URL Encoder & Decoder

Encode or decode URL components without sending them anywhere.

We use reasonable safeguards to help protect your files and information while you use the service.

What to select

Paste a URL component or encoded value, then choose whether to encode or decode it.

Up to 1,000,000 characters. Processing stays in this browser.

Supported formats

Plain text, JSON, XML, standard or URL-safe Base64, URL components, UUID v4, secure passwords, SHA-256, SHA-384, SHA-512 and CRC32.

Limits and safety

Text input is limited to 1,000,000 characters per task, UUID generation to 100 values, and passwords to 8–128 characters.

Frequently asked questions

Is my input uploaded or saved?

No. These developer utilities process input only in this browser tab.

Can a generated hash be reversed?

No. Cryptographic hashes are one-way values. CRC32 is a checksum for detecting accidental changes, not a security hash.

Related tools

JSON FormatterValidate, format or minify JSON with clear syntax errors.XML FormatterValidate, indent or minify XML directly in your browser.Base64 Encoder & DecoderEncode Unicode text or decode standard, unpadded and URL-safe Base64.