Conversion Tools
File to Base64 Converter
Convert any file - images, PDF, ZIP, TXT, JSON, DOCX, audio, video or any binary - to Base64 right in your browser.
Base64 for any file
Base64 turns binary data into plain text using 64 printable characters. It is useful for embedding small assets inside HTML, CSS or JSON, attaching files in API payloads, storing binary content in text-only databases, or moving files through systems that only accept text. This tool runs entirely in your browser using the FileReader API, so your file never leaves your device.
Questions
What is Base64 encoding?
Base64 represents binary data as text using 64 printable characters, so files can be embedded directly inside HTML, CSS, JSON or transferred over text-only channels.
Which file types can I convert?
Any file your browser can open: images, PDF, ZIP, TXT, JSON, DOCX, XLSX, audio, video and other binary files.
Does the file leave my device?
No. The conversion uses the browser FileReader API and runs entirely on your device.