Tools
Base64 File Converter
Convert files to Base64 data URIs and decode Base64 back to editable files. Supports images, PDFs, documents, and more.
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Drop a file here or click to browse
How to use this tool
Create or inspect Base64 data URIs for small assets used in prototypes, email templates, and API debugging.
Suggested workflow
- Choose a local file or paste a Base64 value.
- Convert in the desired direction.
- Verify the MIME type before using the output.
Good to know
Embedding large files increases page and API payload size; use normal file hosting for production assets.
Base64 File Converter - CodeTools Toolbox - 47 free online developer tools.