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SNB to TXT Converter

Convert SNB to TXT online for free. Fast, secure, and high-quality conversion with no sign-up or software required.

Free to useNo file stored beyond 1 hourEncrypted over TLS 1.2/1.3No watermarks

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How it works

Three steps to your converted file

Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.

01

Upload your file

Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.

02

Choose an output format

Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.

03

Convert & download

Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.

What is an SNB file?

The SNB extension refers to the eBook format utilized by the Bambook e-reader ecosystem, originally developed by Shanda Literature. Structurally, it serves as a container for digital text and formatting instructions specific to the Bambook hardware interface. While sharing the extension with Samsung S Note files (which are zipped XML archives), the eBook variant is a distinct binary format supported primarily by Chinese market e-readers and specific conversion libraries.

How to open an SNB file

Standard desktop operating systems do not provide native drivers or viewers for Shanda SNB files. The most reliable method for opening these files on Windows, macOS, or Linux is via the Calibre eBook management suite, which includes specific plugins for parsing the Bambook format. For Samsung S Note SNB files, the Samsung S Note viewer or renaming the extension to .ZIP allows access to internal assets.

snb Technical Info

Full Name
Shanda Bambook eBook
Developed By
Shanda Literature
Initial Release
2010
MIME Type
application/x-snb

What is a TXT file?

A TXT file is a standard plain text document that contains unformatted text, free of styling information such as fonts, bolding, or layout parameters. It stores data as a sequence of characters encoded in standards such as ASCII, UTF-8, or UTF-16, making it universally readable across all computing platforms. The format relies solely on control characters for line breaks (CR/LF) and spacing, serving as the fundamental data type for code source files, logs, and simple documentation.

How to open a TXT file

TXT files possess universal native support on all operating systems. Windows opens them by default with Notepad, macOS uses TextEdit, and Linux distributions utilize editors like Gedit or Nano. Because they contain no proprietary formatting, they are also viewable in any web browser and can be imported into virtually any word processing or data management software without conversion.

TXT Technical Info

Full Name
Plain Text File
Standardized By
American Standards Association (ASCII)
Initial Release
1963 (ASCII)
MIME Type
text/plain

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Why RunConvert

The fastest way to convert any file

Purpose-built for speed, privacy, and breadth of format support.

Convert SNB to TXT in seconds

Every SNB to TXT conversion runs on our servers, so your device stays fast and the output quality stays intact.

Fast, cloud-powered

No queue, no waiting. Files are processed on high-performance servers and returned in seconds, even for large files.

Secure & private

Encrypted in transit and never shared with anyone. Uploads are erased the moment your job completes, and results shortly after.

Free - no account needed

Convert without creating an account - no credit card, no trial clock. Sign in only if you want history and higher daily limits.

Developer API

Convert SNB to TXT via API

Automate SNB to TXT conversions in three steps: create a job, upload your file, then poll for the result.

# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "tag": "snb-to-txt",
    "tasks": {
      "upload-file": {
        "operation": "import/upload"
      },
      "convert": {
        "operation": "convert",
        "input": "upload-file",
        "output_format": "txt"
      },
      "export-result": {
        "operation": "export/url",
        "input": "convert"
      }
    }
  }'

# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.snb

# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
  -H "Authorization: Bearer YOUR_API_KEY"

Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.