Codificador/Decodificador de URL

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Introdução

URL Encoder / Decoder — Encode and decode URL components safely. Enter Mode, Text to get an instant, accurate result.

Fórmula

Percent-encodes (or decodes) characters that aren't valid in a URL, replacing them with %XX hex escape sequences.

Passo a passo

1. Enter the Mode.
2. Enter the Text.
3. Click Calculate to see your result instantly.

Exemplo do mundo real

Example: With Mode = encode, the URL Encoder / Decoder gives Encoded: https%3A%2F%2Fcalchub.example%2Fa%20b.

Perguntas Frequentes

Why do spaces become %20?

Spaces aren't valid in a raw URL, so they're percent-encoded to their hex ASCII value (20 in hex).

When would I need to decode a URL?

When reading query parameters or paths that contain percent-encoded characters, to see their original readable form.

What inputs does the URL Encoder / Decoder need?

You'll need to provide: Mode, Text. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the URL Encoder / Decoder?

The URL Encoder / Decoder applies the formula exactly as calculated — Percent-encodes (or decodes) characters that aren't valid in a URL, replacing them with %XX hex escape sequences. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the URL Encoder / Decoder free to use?

Yes, the URL Encoder / Decoder is completely free, requires no signup, and runs instantly in your browser.

Sobre a Codificador/Decodificador de URL

The URL Encoder / Decoder uses a real, verifiable formula — Percent-encodes (or decodes) characters that aren't valid in a URL, replacing them with %XX hex escape sequences. — so results are accurate every time, not an approximation.