Are the file tools free?

Yes. All UseDaily file and data conversion tools are completely free to use with no account required.

Are my files uploaded to a server?

No. All file processing happens locally in your browser. Your data never leaves your device.

What file formats can I convert?

UseDaily supports CSV to JSON, JSON to CSV, JSON formatting, Base64 encoding/decoding, URL encoding/decoding, HTML entities, and Markdown to HTML.

Can I convert large CSV files?

Yes. The CSV to JSON converter handles large files in the browser without size limits imposed by upload restrictions.

File & Data Tools

All CSV to JSON JSON to CSV Data JSON Formatter Base64 Encoder / Decoder URL Encoder / Decoder HTML Entities Markdown to HTML

File Tools

File & Data Tools

Fast, browser-based converters for structured data, encodings, and content formats with a consistent UI.

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CSV to JSON

Turn rows and columns into structured JSON objects.

File & Data Tools

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JSON to CSV

Export object arrays into spreadsheet-ready CSV format.

File & Data Tools

Data JSON Formatter

Format raw JSON inside the data conversion workspace.

File & Data Tools

Base64 Encoder / Decoder

Encode or decode text using Unicode-safe Base64 handling.

File & Data Tools

URL Encoder / Decoder

Escape or decode URL strings without leaving the page.

File & Data Tools

HTML Entities

Convert text to HTML entities and decode them back.

File & Data Tools

Markdown to HTML

Preview quick markdown-style content as HTML output.

File & Data Tools

Free Online File & Data Converters

Convert between different file formats and data structures effortlessly. Whether you need to turn CSV into JSON for an API, or encode text into Base64, our file tools are designed for speed and privacy.

How to Use

Paste your data or upload a file into the input area. Choose your desired action (for example, 'CSV to JSON'). The converted data appears instantly, ready to copy or download.

Who Is This For?

Data Analysts: Convert large datasets from CSV to workable JSON formats.
Developers: Encode strings to Base64 or debug file contents quickly.

Key Features

CSV to JSON

Transform spreadsheet data into structured JSON objects instantly.

Base64 Utility

Encode images or text to Base64 strings and decode them instantly.

Privacy Focused

All processing happens in your browser. Your data is never sent to any server.

Frequently Asked Questions

Are the file tools free?: Yes. All UseDaily file and data conversion tools are completely free to use with no account required.
Are my files uploaded to a server?: No. All file processing happens locally in your browser. Your data never leaves your device.
What file formats can I convert?: UseDaily supports CSV to JSON, JSON to CSV, JSON formatting, Base64 encoding/decoding, URL encoding/decoding, HTML entities, and Markdown to HTML.
Can I convert large CSV files?: Yes. The CSV to JSON converter handles large files in the browser without size limits imposed by upload restrictions.

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