CSV to Base64 Converter

Convert CSV data to Base64 encoded strings and decode Base64 back to CSV. Perfect for API integrations and data transfer.

CSV Content

Enter data and click Convert

Seamless Data Encoding

Need to embed CSV data in a JSON payload or pass it through a URL? Base64 encoding converts your tabular data into a safe, portable string format that won't break your APIs or cause parsing issues.

100% Browser-Based

Why Use This Tool?

Bidirectional

Encode CSV to Base64 or decode Base64 back to CSV with one click.

File Upload

Upload CSV files directly or paste content from your clipboard.

Easy Export

Download results as a file or copy to clipboard instantly.

Unicode Safe

Properly handles special characters and international text.

How this CSV to Base64 Converter works

The CSV to Base64 Converter runs entirely in your browser using JavaScript. Unlike other tools that send your data to a server, we process everything locally on your device. This guarantees 100% privacy and blazing fast speed.

No server interaction – data never leaves your device
Instant results since there is no network latency
Works offline once the page is loaded
Free to use with no usage limits

How to Use

Choose Mode

Select encode (CSV to Base64) or decode (Base64 to CSV).

Input Data

Paste your content or upload a file.

Convert

Click convert and copy or download the result.

Example Usage

Encoding a simple CSV with 2 rows:

Input

name,age,city John,30,NYC Jane,25,LA

Output

bmFtZSxhZ2UsY2l0eQpKb2huLDMwLE5ZQwpKYW5lLDI1LExB

Frequently Asked Questions

Why encode CSV to Base64?

Base64 encoding is useful for embedding CSV data in JSON, APIs, or URLs where special characters might cause issues.

Is my data safe?

Yes! All processing happens in your browser. No data is sent to any server.

What file size is supported?

Works best with files under 10MB. Larger files may slow down your browser.

Related Tools

Base64 Encoder Decoder

Encode and decode text and files to/from Base64 format. Fast and secure.

CSV to JSON Converter

Convert CSV files or text into valid JSON arrays. Smart parsing with header detection.

JSON to Base64 Converter

Encode JSON to Base64 and decode Base64 back to JSON.

The CSV to Base64 Converter is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.