Base64 File Converter
Upload TXT files containing base64 encoded content and convert them to various file formats instantly. Supports images, documents, audio, video, and more. Free online tool with preview and download options.
All image processing happens locally in your browser. Your files are never uploaded to any server.
About Base64 File Converter
Convert base64 encoded content from text files to various file formats with our powerful online tool. Upload any .txt file containing base64 data and transform it into images, documents, audio, video, or other file types instantly.
Features
- Upload .txt files containing base64 content
- Convert to 15+ different file formats
- Preview images before downloading
- Automatic base64 validation and cleanup
- Customizable output file names
- File size information and preview
- One-click download functionality
- Supports data URL prefixes (data:image/...;base64,...)
Supported File Formats
PNG JPG GIF WebP SVG ICO BMP PDF TXT JSON XML CSV ZIP MP3 MP4 WebM BIN
Common Use Cases
- Convert base64 images from APIs to downloadable files
- Decode base64 encoded documents and files
- Process base64 data exported from databases
- Convert embedded media from web applications
- Recover files from base64 encoded backups
- Testing and debugging base64 encoded content
- Convert base64 audio/video for media players
- Process base64 archives and compressed files
Base64 File Format Examples
Plain base64 in .txt file:
iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==
Data URL format in .txt file:
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==
Base64 encoded PDF in .txt file:
JVBERi0xLjQKJcOkw7zDtsOfCjIgMCBvYmoKPDwvTGVuZ3RoIDMgMCBSL0ZpbHRlci9GbGF0ZURlY29kZT4+CnN0cmVhbQp4nF2T3W7bMAyG7/sUv...