Sample TXT File Download — 100 KB to 10 MB or Any Size

A .txt file is the simplest storage format a computer has — pure UTF-8 text with no formatting, no headers, and no proprietary encoding. That simplicity makes it the universal test case: every upload form, storage API, and file-size-limit check accepts plain text, which means a .txt file is the fastest way to verify that your system is wired up correctly. Generate one here at any exact byte count you need, entirely in your browser — nothing leaves your machine.

Common Plain Text test sizes

Each preset is generated in your browser at exactly that many bytes (decimal: 1 MB = 1,000,000 bytes). For any other size, use the generator above.

100 KB sample Plain Text file

A 100 KB plain text file is roughly 100,000 characters — the size of a short novel chapter or several years of terminal logs from a quiet service. It is the standard "not trivially small" input for text parser and NLP tool benchmarks. Valid UTF-8, no BOM, generated entirely in your browser with no upload required.

1 MB sample Plain Text file

One megabyte of plain text is a useful baseline for upload-limit testing: many form fields set their max at exactly 1 MB, and many text processing tools reveal performance regressions at this size. Confirm that your upload handler, S3 PUT, or text pipeline behaves correctly right at this common threshold. Valid UTF-8, generated in your browser.

10 MB sample Plain Text file

Ten megabytes of plain text is a log file from a busy service or a full-text corpus for an NLP experiment. At this size, naive text editors (Notepad on Windows) start to struggle, streaming readers outperform full-file loaders, and upload timeout settings become relevant. Valid UTF-8, no binary content, generated entirely in your browser.

Common use cases for Plain Text test files

Testing file upload forms and cloud storage APIs with a known byte count
Verifying email and chat attachment size limits before sending real content
Seeding text-processing and NLP pipelines that need a valid UTF-8 corpus
Checking that log parsers and plain-text readers handle large files without truncating

Related formats

Sample File Generator — all 20 formats, any exact size, free in-browser download.

Frequently asked questions

What text content is in the generated file?

The file is filled with repeating Lorem Ipsum-style UTF-8 text to hit your exact byte target. Every byte is printable ASCII, so it opens cleanly in any text editor from Notepad to vim without null bytes or encoding warnings.

Why does my text editor show a slightly different file size?

Editors display size in either binary (1 KB = 1,024 bytes) or decimal (1 KB = 1,000 bytes) depending on the OS. The generator targets the exact decimal byte count you request. Neither reading is wrong — they are just different unit systems.

Can I generate a .txt file larger than 100 MB?

Yes, up to 250 MB. For most upload-limit and text-pipeline tests that range covers everything you would realistically encounter.

Download a Sample TXT File (Any Size)