Free test files · by Technology Channel

Sample files for testing.

Real, valid test files in the 20 formats developers and testers need most. Free to use, no sign-up, and you can download each one as many times as you like.

20formats people search most
133ready-to-use files
0sign-ups or waiting
Unlimitedre-downloads
Browse

All 20 formats

Ranked by what people search for most, grouped by type. Each format has its own page with every size and edge case.

Video

H.264 test videos with on-screen timecodes, from 1 MB clips to 4K.

Audio

Original, royalty-free music in compressed and uncompressed formats.

Archives

Messy folder trees and clean archives for upload and extraction tests.

No format matches that search. Try the file generator or press / to search every file.

Why Sample Files

Built for testing

Real, valid files

Every file is generated from scratch and checked, so it opens in real apps and parsers.

Every size you need

From 1 × 1 pixels and 0-byte files to 4K video and 100,000-row spreadsheets.

Edge cases included

EXIF rotation, CMYK, invalid JSON, password PDFs, messy folders and more.

Unlimited downloads

No sign-up, no timers, no limits. Download the same file as often as you need.

Developers

Direct links and a files API

Every file has a stable, direct URL, so you can use it in automated tests, CI pipelines and documentation. The JSON index lists every file with its size, MIME type and SHA-256 checksum.

  • No redirects, cookies or tokens.
  • Stable file names you can hard-code.
  • Checksums to verify downloads in CI.

View files.json

Terminal
# Download any file directly (works in scripts and CI)
curl -O https://samplefiles.technologychannel.org/files/pdf/sample.pdf
wget https://samplefiles.technologychannel.org/files/mp4/sample-1080p.mp4

# Every file with size, MIME type and SHA-256
curl https://samplefiles.technologychannel.org/api/files.json
FAQ

Frequently asked questions

What are sample files used for?

Developers and QA teams use them to test uploads, previews, parsers, converters and size limits without using personal or client files.

Are the files free to use?

Yes. Every file is free for any use, including commercial projects. No attribution is required.

Can I download a file more than once?

Yes. There are no accounts, no daily limits and no waiting timers. Download any file as many times as you need, or link to it directly from scripts and CI jobs.

Are the files safe?

Yes. Every file is generated from scratch by Technology Channel and contains only harmless sample content. Security test files, such as the SVG with a script, are clearly labeled.

Which formats are included?

The 20 formats people search for most when testing: PDF, DOCX, XLSX, PPTX, TXT, JPG, PNG, GIF, SVG, WebP, HEIC, MP4, MOV, MP3, WAV, JSON, CSV, XML, HTML and ZIP.

Can I get a file of an exact size?

Yes. The file generator creates valid files of any exact size in your browser, for formats such as PDF, JPG, MP4, CSV and ZIP. Nothing is uploaded.