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> Encode URL components, query values, and form fields.
> Decode percent-encoded strings safely in your browser.
Format
Explore the most common scenarios for URL Encoder below. Each page is a focused calculator with worked examples and edge-case guidance.
Quickly URL encode space characters into %20 or decode them back to spaces. Ensure your URLs are web-safe and perfectly formatted.
Encode Space to %20Learn how to URL encode strings in JavaScript using encodeURIComponent, or use our online tool to instantly format JS query parameters.
Encode for JavaScriptEncode URLs and query parameters exactly like PHP's urlencode() and rawurlencode() functions. Convert unsafe strings securely.
Process PHP EncodingCreate clean, SEO-friendly URL slugs. Safely URL encode non-Latin characters, unicode, and spaces for better search engine rankings.
Generate SEO SlugBase64
Encode and decode text to/from Base64 format with UTF-8 support.
JWT Decoder
Decode JWT header and payload locally, inspect exp/iat/nbf claims, and debug bearer tokens without uploading them.
JSON Formatter
Validation, formatting and syntax highlighting for JSON.
UTM Builder
Marketing link constructor with validation and presets.