Free File Tools Online

Convert, format, extract and inspect files directly in your browser. Fast, free and privacy-friendly file utilities.

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File Converter

Convert TXT, JSON, CSV, HTML, Markdown and Base64 content between formats.

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JSON Formatter

Format, beautify, validate and minify JSON data instantly.

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CSV Viewer

Open CSV files, search data and inspect rows directly in your browser.

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XML Viewer

Format, validate and inspect XML documents and sitemap files.

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Text Cleaner

Remove blank lines, extra spaces and duplicate content from text.

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Base64 Encoder

Convert text into Base64 format for APIs, email and development use.

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ZIP Extractor

Open ZIP archives and download extracted files directly.

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Popular File Utilities

Tool67 file tools help developers, SEO professionals, marketers, students and business users process files without installing software. All tools run directly in your browser whenever possible.

Common tasks include JSON formatting, CSV inspection, XML validation, Base64 encoding, ZIP extraction and text cleanup.

Frequently Asked Questions

Are these file tools free?
Yes. All current Tool67 file tools are free to use.

Do files get uploaded?
Most file tools run directly in your browser and do not upload files.

Who are these tools for?
Developers, marketers, SEO specialists, students, researchers and office workers.