Base64 Encoder/Decoder API

Development

Encode and decode text and images to and from Base64 format.

Authentication

All API requests require a valid API key passed in the Authorization header as a Bearer token.

Rate Limit

100 requests per minute

Endpoints

1 endpoint available

Overview

The Base64 Encoder/Decoder API converts text and images to and from Base64 format. Supports both encoding (text/image to Base64) and decoding (Base64 to text/image).

Operations

encode - Convert text or image data to Base64
decode - Convert Base64 back to text or image

Input Types

text - Plain text strings (UTF-8 supported)
image - Base64-encoded image data or data URLs

Use Cases

Embed images in HTML/CSS as data URIs
Encode data for URL parameters
Convert images for email signatures
Transmit binary data over text-based protocols
Store binary data in JSON

Endpoints

POST

/v1/tools/base64-encoder-decoder

Encode or decode text/images to/from Base64

Request Body

Content-Type: application/json

Parameter	Type	Required	Description
operation	string Enum: encode, decode	Required	The operation to perform
type	string Enum: text, image	Required	The type of data being processed
input	string	Required	The input data (text to encode, Base64 to decode, or image data URL)

Response Example

{
  "success": true,
  "result": {
    "output": "SGVsbG8gV29ybGQh",
    "operation": "encode",
    "type": "text"
  }
}

Error Codes

400

Invalid request body or missing required fields

401

Missing or invalid API key

422

Invalid Base64 string or unsupported format

429

Rate limit exceeded

500

Internal server error

Code Examples

# Encode text to Base64
curl -X POST https://api.opentools.ca/v1/tools/base64-encoder-decoder \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"operation": "encode", "type": "text", "input": "Hello World!"}'

# Decode Base64 to text
curl -X POST https://api.opentools.ca/v1/tools/base64-encoder-decoder \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"operation": "decode", "type": "text", "input": "SGVsbG8gV29ybGQh"}'

Ready to get started?

Create an API key to start using the Base64 Encoder/Decoder API.