Convert TXT files to JSON online. Turn each line into a JSON array or parse key:value lines into a JSON object. Free, private, works in your browser. No registration.

Convert plain text to JSON in seconds. Our free TXT to JSON converter turns each line into an array element or parses key:value lines into an object. Runs in your browser so your data never leaves your device.

What is TXT to JSON Conversion?

TXT to JSON conversion turns plain text into JSON format. You can output each line as an element in a JSON array, or parse lines like key:value into a JSON object. Useful for configs, data pipelines, and APIs.

Why Use Our TXT to JSON Converter?

Our converter is free, runs entirely in your browser for privacy, supports array and object output, and handles encoding. No server uploads, no registration.

TXT to JSON Keywords

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How to Convert TXT to JSON

Three simple steps:

Features

Key features:

• Lines as JSON array.
• Key:value lines as JSON object.
• Encoding support: UTF-8 and others.
• 100% browser-based; no server uploads.
• Free with no limits.
• No registration required.
• Privacy-first: files stay on your device.
• Valid JSON output.
• Instant conversion.
• Useful for APIs and configs.

When to Use TXT to JSON

Common use cases:

• Turning log lines into a JSON array.
• Converting config or env-style key:value to JSON.
• Preparing data for APIs or apps.
• Importing text data as JSON.
• Building JSON from line-separated text.
• Data migration from TXT to JSON.
• Creating JSON arrays from lists.
• Parsing simple key:value files to JSON.

TXT to JSON vs Other Methods

Manual parsing is error-prone. Many online tools upload your files. Our converter is free, runs in the browser, and keeps your data on your device while supporting both array and object output.

Tips for Best Results

For best results:

• Use array mode for one value per line.
• Use object mode for key:value or key=value lines.
• Choose the correct encoding (UTF-8 for most files).
• Ensure key:value lines are consistently formatted for object mode.
• Output is valid JSON; you can validate it in other tools.
• Array mode preserves line order.
• Object mode overwrites duplicate keys with the last value.

Convert TXT to JSON

Use our free TXT to JSON converter to create JSON from plain text—either as an array of lines or as an object from key:value lines.

No registration required. Your files stay on your device. Try it now.