Text File Viewer
Opens TXT and LOG files with search, line numbers, and wrapping. It is for reading plain text files without loading a full editor.
Runs in your browser. The file and result are not sent to Utilio servers.
Text File Viewer
Open plain text and log files with search, line numbers, and wrapping.
Preview
What Text File Viewer does
Use Text File Viewer when you need to search a log file for errors, IDs, or timestamps.
When to use it
- Search a log file for errors, IDs, or timestamps.
- Read plain text exports with line numbers.
- Preview notes or config-like files before sharing them.
How to use it
- Choose a TXT, LOG, or plain text file.
- Use search and line numbers to navigate.
- Download extracted text or copy the relevant lines.
What to check
- Very large logs can still be better handled by terminal tools.
- Do not expose logs with tokens, emails, or IP addresses in shared screenshots.
Data, formats, and limits
What stays on your device and what is sent
Runs in your browser. The file and result are not sent to Utilio servers.
Supported formats
Supported: TXT, LOG, TEXT. Not supported: DOCX, PDF, RTF, XLSX.
File limits and browser requirements
- Up to 30 MB per TXT, LOG, or TEXT file
- Preview quality depends on browser parsing libraries and may not match desktop applications for complex files.
- Large files can be slow because parsing, search, and rendering happen in the active browser tab.
Known limits
- Preview quality depends on browser parsing libraries and may not match desktop applications for complex files.
- Large files can be slow because parsing, search, and rendering happen in the active browser tab.
Troubleshooting
- If the file does not open, check the extension, size, and save a simpler copy.
- If a spreadsheet, document, or presentation looks different from the desktop app, verify the source file in the app that created it.
- If search or preview feels slow, try a smaller file or close extra tabs.
Common questions
What does Utilio receive?
Runs in your browser. The file and result are not sent to Utilio servers.
What is it useful for?
Use it when you need to search a log file for errors, IDs, or timestamps. Start by choosing a TXT, LOG, or plain text file.
Do I need an account?
No. You can use this tool without creating an account.
Can I use it on a phone?
Yes. For large files, complex previews, or careful review, a browser on a computer is usually more comfortable.
How do I get a reliable result?
Choose a TXT, LOG, or plain text file. Then use search and line numbers to navigate. Very large logs can still be better handled by terminal tools.
Which formats are supported?
Text File Viewer supports TXT, LOG, TEXT. It does not support DOCX, PDF, RTF, XLSX.
What file size works best?
Up to 30 MB per TXT, LOG, or TEXT file. Browser memory and device speed can still affect large files.
Why did I not get the result I expected?
Preview quality depends on browser parsing libraries and may not match desktop applications for complex files. If the result still looks wrong, try a smaller or simpler input and review the output before using it.
Does Utilio use my input or results to train AI?
No. Utilio does not use files, pasted text, settings, generated values, or results from this tool to train AI models.

