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ENCODE

URL Encode / Decode

Encode query values and URL fragments safely, or decode percent-encoded text back into readable form.

Input Ready

Output Percent encoding

Encode parameter values, not the whole request syntax, to avoid double encoding.

SEO core content

Is this URL encoder free?

Yes.

What is URL encoding used for?

It makes spaces, symbols, and reserved characters safe to send inside URLs and query parameters.

Is my URL data uploaded?

No. The conversion happens locally.

Why am I seeing %20 and %2F?

Those are encoded representations of characters such as spaces and slashes.

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Reserved characters can break a request or quietly change what a parameter means if they are not encoded properly.

This matters most when you are nesting URLs, passing JSON in a query string, or trying to preserve spaces and symbols.

In most cases you only want to encode the value, not the whole URL including `?`, `&`, and `=`.

That keeps the URL readable and saves you from accidental double encoding.

Encode text as Base64 or decode Base64 back to UTF-8 text.

Encode text as Base64URL or decode URL-safe Base64 back to UTF-8 text.

Encode HTML entities or decode escaped HTML back into readable text.

The encoding mistakes that still waste time in real apps: Base64 confusion, broken UTF-8, and bad URL escaping.

What to expect

These pages are meant to stay direct: input at the top, results immediately below, then the FAQ and related guides if you need more context.

Most tools work entirely in the browser.
Inputs are not sent to a custom backend unless a tool clearly says it makes a network request.
Related tools and short guides are included below when the task usually needs a follow-up step.