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Hazuu Tools

TXT Viewer

Upload and view .txt files in your browser with line numbers, word count, search, and word wrap. Free, private, and no installation needed.

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Upload a .txt file or paste text to view it here
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About TXT Viewer

TXT Viewer is a free browser-based tool for opening and reading plain text files without installing any software. Upload a .txt file from your device or paste raw text directly, and the viewer renders it in a clean, monospaced layout with numbered lines, a live statistics bar showing character count, word count, line count, and file size, and a toggleable word-wrap mode for long lines.

The tool is designed for situations where you need to inspect a text file quickly: checking a server log before importing it, verifying the line count of a data export, searching for a specific string across a configuration file, or reviewing documentation shipped as a .txt alongside source code. Unlike a general-purpose text editor, TXT Viewer is focused entirely on reading — there is no editing mode that might accidentally overwrite your content.

All file processing runs locally in your browser using the FileReader API. Your file bytes are read into memory on your device and never transmitted to any server, logged, or cached remotely. This makes the tool safe for reading sensitive logs, internal documentation, or any file you would not want to upload to a third-party service. There are no accounts, no file-size paywalls, and no installation required.

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Key Features

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Line-numbered display

Every line is numbered in a fixed gutter, making it straightforward to reference a specific line when discussing a log entry, a config value, or a data row with a colleague.

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In-file keyword search

Type any word or phrase in the search bar and every matching occurrence is highlighted in yellow across the entire document. A match counter tells you exactly how many hits were found.

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Live document statistics

A stats bar updates instantly to show total characters, words, lines, and file size in human-readable units (B / KB / MB), giving you a quick sense of document scale before you read it.

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Word wrap toggle

Switch between wrapped and unwrapped display with one click. Wrap mode is useful for prose; turning it off lets you scan columnar data or log lines without line breaks interrupting the layout.

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File upload and paste modes

Open a file from disk via the upload button, or paste raw text into the built-in text area and click Load Text — useful when you already have the content in your clipboard.

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Private and client-side

The FileReader API loads the file entirely within your browser tab. Nothing is sent to a server, so confidential logs, credentials files, and internal documentation never leave your machine.

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How to Use

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Upload or Paste

Click the Upload button to load a .txt file from your device, or use the Paste button to enter text directly.

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Browse and Search

Scroll through the text with line numbers. Use the search bar to find specific words or phrases with highlighted matches.

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Adjust and Copy

Toggle word wrap for long lines, check the stats bar for document metrics, and copy the full text to your clipboard.

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Example

A server log file is uploaded. The stats bar shows the line count and file size instantly, and searching for "ERROR" highlights every matching line.

Sample .txt file content
2024-06-01 08:12:44 INFO  Server started on port 8080
2024-06-01 08:13:01 INFO  Connected to database
2024-06-01 08:15:33 ERROR Timeout on /api/orders (504)
2024-06-01 08:15:34 WARN  Retrying request (attempt 1 of 3)
2024-06-01 08:15:37 ERROR Timeout on /api/orders (504)
2024-06-01 08:15:40 INFO  Retry succeeded
Viewer display (line numbers + match highlight)
Lines: 6   Words: 48   Characters: 284   File size: 284 B

  1  2024-06-01 08:12:44 INFO  Server started on port 8080
  2  2024-06-01 08:13:01 INFO  Connected to database
  3  2024-06-01 08:15:33 [ERROR] Timeout on /api/orders (504)   ← highlighted
  4  2024-06-01 08:15:34 WARN  Retrying request (attempt 1 of 3)
  5  2024-06-01 08:15:37 [ERROR] Timeout on /api/orders (504)   ← highlighted
  6  2024-06-01 08:15:40 INFO  Retry succeeded

Search: "ERROR"  →  2 matches
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Common Use Cases

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    Inspecting server and application logs

    Log files shipped as .txt are often too large or too raw to open comfortably in a browser tab. TXT Viewer renders them with line numbers and lets you search for ERROR, WARN, or any other token to find problems fast — without launching a code editor.

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    Verifying data exports before import

    Before loading a .txt data dump into a database or spreadsheet, check its line count, character encoding, and whether expected values are present. The stats bar and keyword search answer these questions in seconds.

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    Reading README and documentation files

    Software packages often ship README.txt or CHANGELOG.txt alongside binaries. TXT Viewer opens them immediately in the browser without needing a text editor installed on the machine.

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    Spot-checking configuration and credentials files

    Configuration files (hosts files, .env exports saved as .txt, INI files) are plain text. Open them in TXT Viewer to confirm a value or count entries without any risk of accidentally saving over the file, since the viewer has no edit mode.

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    Counting words and lines in plain-text drafts

    Writers who draft in plain text can drop a file into TXT Viewer to get an instant word and character count — useful for meeting submission limits or tracking draft length without pasting into a word processor.

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Frequently Asked Questions

What is a TXT Viewer? expand_more
A TXT Viewer is an online tool that lets you open and read plain text (.txt) files directly in your web browser without installing any software. It displays the content with line numbers and useful statistics like word count and character count.
Is my file data kept private? expand_more
Yes, completely. The TXT Viewer uses the browser FileReader API to process your file locally on your device. No data is uploaded to any server, so your content remains entirely private and secure.
What file types are supported? expand_more
The tool is optimized for plain text (.txt) files. It can also handle other text-based files such as .log, .csv, or .md files, as long as they contain readable plain text content.
Is there a file size limit? expand_more
There is no hard limit enforced by the tool. However, very large files (over 50 MB) may cause slower rendering or browser lag depending on your device hardware and available memory.
How is TXT Viewer different from an online text editor like Online Notepad? expand_more
TXT Viewer is intentionally read-only. It has no typing or editing mode, which means you cannot accidentally overwrite the file you opened. It focuses on viewing features — line numbers, keyword search with match count, and a statistics bar — rather than writing features. Use an online text editor when you want to create or modify text; use TXT Viewer when you want to inspect an existing file safely.
How does it differ from an HTML Viewer or Markdown Editor? expand_more
HTML Viewer renders HTML markup as a visual preview, and a Markdown Editor converts Markdown syntax into formatted output. TXT Viewer makes no attempt to interpret any syntax — it shows the raw characters exactly as they are stored in the file, including any markup or syntax characters, which is what you want when reading logs, configs, or data files.
Can I search for a phrase with spaces or special characters? expand_more
Yes. The search bar accepts any string, including spaces and most special characters. The query is matched case-insensitively across the full document and every occurrence is highlighted.
Does the tool remember or cache my file between sessions? expand_more
No. Once you close or refresh the browser tab the content is gone. The tool holds your text in browser memory only for the duration of the current session and never writes it to local storage, cookies, or any remote service.