Base64 Encoder / Decoder
Encode and decode Base64 instantly. Convert text to Base64, decode Base64 back to text, work with uploaded files, and use URL-safe mode for developer and debugging workflows.
Base64 Controls
Encode plain text to Base64 or decode Base64 back to text. Use URL-safe mode for web and token workflows.
Mode
Status
Text encoded successfully
Mode
encode
URL-safe
Off
Input length
103
Output length
0
Included features
- Encode text to Base64 and decode Base64 to text.
- URL-safe Base64 mode for web and token use cases.
- Upload text-based files as input.
- Copy output and download result files.
- Swap input and output for quick reverse conversion.
- Line-number editors for large text content.
What can this Base64 tool do?
This tool converts plain text to Base64 and Base64 back to readable text, supports URL-safe Base64 mode, accepts file uploads, and lets you copy or download the result instantly.
Common use cases
Use it for API testing, data URIs, debugging payloads, auth tokens, web development, file transformations, and quick encoding or decoding during development.
Related tools
Try other useful SmartTools that are related to this tool.
URL Encoder / Decoder
Encode and decode URL strings with text and file support, plus-sign handling, copy, download, and instant output.
Open tool →JWT Decoder
Decode JWT tokens with parsed header and payload, expiry checks, validation hints, copy, upload, and downloadable output.
Open tool →Text Compare Tool
Compare two text files or text blocks with highlighted differences, side-by-side view, and downloadable reports.
Open tool →YAML ↔ JSON Converter
Convert YAML to JSON and JSON to YAML with validation, file upload, swap mode, copy, download, and error highlighting.
Open tool →Regex Tester
Test regular expressions online with live matches, flags, replace mode, match positions, and instant debugging output.
Open tool →Diff Checker
Compare text, code, and config files side by side with change summaries, whitespace and case options, file upload, and downloadable reports.
Open tool →