Decode Base64-encoded strings back to readable text. Supports standard and URL-safe Base64 with structured error reporting for invalid input.

Encode any text to Base64 output. Full Unicode support via TextEncoder, with optional Base64URL mode for use in JWT and OAuth tokens.

Reduce PDF file sizes for easier sharing. Upload your PDF and download a compressed version — ideal for email attachments and web publishing.

Convert HTML entities back to readable characters. Handles named, decimal, and hex entities for safe content extraction and display.

Convert raw text into HTML-safe entities. Supports named, decimal, and hex formats with strict security mode for XSS prevention.

Decode percent-encoded URLs back to readable text. RFC 3986 compliant — works with full URLs, paths, and individual query parameters.

Encode text to URL-safe percent-encoded format. Handles Unicode and special characters for safe use in web addresses and query strings.