Is it safe to use the URL Encode online?

Yes — and ours is safer than most. Many free online tools quietly upload your files to their servers to do the work. We don't. Everything happens inside your browser on your own device, so your files never reach the internet. There's no upload step, no server copy, and no way for us (or anyone else) to see what you're working on.

Are my files uploaded to a server?

No. There's no server-side processing here. The whole tool is a tiny app that runs in your browser — we don't even have a server that could receive your files. You can confirm this by opening your browser's network tab while you use the tool: nothing leaves your device.

Do I need to sign up or pay?

No. There's no account, no email collection, no credit card. The tool is free to use as much as you want, on as many files as you want. We're supported by a few unobtrusive ads on the page — not by your data.

When should I use component vs full URL?

Use component when you're encoding a single piece of data that will become part of a URL (a search query, a slug). Use full-URL when you have an entire URL and just want to escape unsafe characters like spaces.

Why does my input get rejected on decode?

Malformed % sequences (e.g. %ZZ) throw a URIError. Make sure every % is followed by two valid hex digits.

URL Encoder & Decoder

Convert between plain text and percent-encoded URL strings. Pick component mode for query parameters (encodes ?&=#/) or full-URL mode for whole URLs.

Features

Encode and decode percent-escaped URLs
Component mode (encodeURIComponent) for query params
Full-URL mode (encodeURI) preserves reserved characters
Catches malformed input with a clear error message
Live as-you-type conversion

How to url encoder & decoder

Pick mode — Encode (plain → URL) or Decode (URL → plain).
Component or full URL — Component encodes ?&=#/ — use it for query values. Full-URL preserves them — use it for entire URLs.
Paste & copy — Output updates instantly.

Frequently asked questions

Is it safe to use the URL Encode online?: Yes — and ours is safer than most. Many free online tools quietly upload your files to their servers to do the work. We don't. Everything happens inside your browser on your own device, so your files never reach the internet. There's no upload step, no server copy, and no way for us (or anyone else) to see what you're working on.
Are my files uploaded to a server?: No. There's no server-side processing here. The whole tool is a tiny app that runs in your browser — we don't even have a server that could receive your files. You can confirm this by opening your browser's network tab while you use the tool: nothing leaves your device.
Do I need to sign up or pay?: No. There's no account, no email collection, no credit card. The tool is free to use as much as you want, on as many files as you want. We're supported by a few unobtrusive ads on the page — not by your data.
When should I use component vs full URL?: Use component when you're encoding a single piece of data that will become part of a URL (a search query, a slug). Use full-URL when you have an entire URL and just want to escape unsafe characters like spaces.
Why does my input get rejected on decode?: Malformed % sequences (e.g. %ZZ) throw a URIError. Make sure every % is followed by two valid hex digits.