An online tool for decoding Base64-encoded data and encoding data into Base64 format. Users can enter text or upload files up to 100MB, with advanced options such as character set selection, decoding each line separately, and live mode.
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An online tool for encoding and decoding Base64 text. Users can paste text or drag and drop a file, and the site auto-detects whether input is already Base64-encoded. Shortcut links can encode or decode specific input. The site also explains Base64 and its use for embedding images, CSS, fonts and JavaScript via data URIs.
A tool that repairs malformed or invalid Base64 strings so they can be decoded. It detects errors and can fix Base64 values in many formats. The tool may return false positives, and results should be tidied up manually.
packet.guru is a public website offering browser privacy and network diagnostic tools. It checks user IP and location, provides Privacy and Trust scores, free DNS, WebRTC and browser-fingerprint leak tests, plus 25 network tools. The tool suite is organized into Network, DNS, WEB and Utility categories for professional use, with tools including ping, traceroute, whois, DNS lookup, URL encoder/decoder, HTTP header checks and base64 encode/decode functions.