1MB sample files — every format

Standard small-file size for testing email attachments, basic upload flows, and form validation. Below: every 1MB sample we host, grouped by file category. All downloads are free, instant, and no signup is required.

Email attachment testing (well under Gmail's 25MB limit)
Standard upload form validation
API request body benchmarks
Mobile network performance tests

Documents (6)

Browse all documents →

sample-10000-rows.csv

783 KB

10,000 rows

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File details and verification

Filename: sample-10000-rows.csv
Exact size: 802,066 bytes
Displayed size: 783 KB
Catalog status: Valid catalog fixture
SHA-256: e3fa9e1ca507705ec46a18219e423e74aae9db0b9ad8cbcc1320e88b2cc01b00
Header signature: Not applicable (no stable header signature for this format)
Verified on: 2026-08-10
MIME type: text/csv
Rows: 10,000
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/csv/sample-10000-rows.csv

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sample-1mb.epub

991 KB

100 pages

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File details and verification

Filename: sample-1mb.epub
Exact size: 1,015,063 bytes
Displayed size: 991 KB
Catalog status: Valid catalog fixture
SHA-256: 9e5ef403eeba2f1eac6ef5959dd1bf858cfc72d098a22687fcdd78a032015a83
Header signature: Matched (ZIP container)
Verified on: 2026-08-10
MIME type: application/octet-stream
Pages: 100
Chapters: 15
Language: en
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/epub/sample-1mb.epub

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sample-1mb.txt

1 MB

50,000 lines

Download

File details and verification

Filename: sample-1mb.txt
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Valid catalog fixture
SHA-256: 1543ae4dcb6be154633ace1d28147faa9a873f28f411322272087cd738b5496d
Header signature: Not applicable (no stable header signature for this format)
Verified on: 2026-08-10
MIME type: text/plain
Lines: 50,000
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/txt/sample-1mb.txt

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sample-1mb.md

1.00 MB

30,000 lines

Download

File details and verification

Filename: sample-1mb.md
Exact size: 1,048,578 bytes
Displayed size: 1.00 MB
Catalog status: Valid catalog fixture
SHA-256: 34ff88ede7ac54478a26525364b9c1a37d3ae8cd8c4df63811d28db179715d74
Header signature: Not applicable (no stable header signature for this format)
Verified on: 2026-08-10
MIME type: application/octet-stream
Lines: 30,000
Note: full-document
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/md/sample-1mb.md

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sample-1mb.pdf

1.00 MB

20 pages

Download

File details and verification

Filename: sample-1mb.pdf
Exact size: 1,053,319 bytes
Displayed size: 1.00 MB
Catalog status: Valid catalog fixture
SHA-256: 778a3e941f3e338c99b4de5fa7df0e466bafeeef49cc19b02c46bab393e0ae8c
Header signature: Matched (%PDF-)
Verified on: 2026-08-10
MIME type: application/pdf
Pages: 20
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/pdf/sample-1mb.pdf

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sample-1mb.docx

1.08 MB

20 pages

Download

File details and verification

Filename: sample-1mb.docx
Exact size: 1,127,669 bytes
Displayed size: 1.08 MB
Catalog status: Valid catalog fixture
SHA-256: 1d1b3504b943e7b5143f7457647e8e3affe49ba3bb7f47e406cf8a91bee3ea47
Header signature: Matched (ZIP container)
Verified on: 2026-08-10
MIME type: application/vnd.openxmlformats-officedocument.wordprocessingml.document
Pages: 20
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/word/sample-1mb.docx

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Images (8)

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BMP

sample-1mb.bmp

900 KB

640×480 · 24-bit · RGB

Download

File details and verification

Filename: sample-1mb.bmp
Exact size: 921,654 bytes
Displayed size: 900 KB
Catalog status: Valid catalog fixture
SHA-256: f35ab78848abfdc19793b6e1fbc9eeadcb644b129e1946d0da70431e268c3ea9
Header signature: Matched (BMP)
Verified on: 2026-08-10
MIME type: image/bmp
Dimensions: 640 x 480 px
Bit depth: 24-bit
Color space: RGB
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/bmp/sample-1mb.bmp

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BMP

sample-24bit.bmp

900 KB

640×480 · 24-bit · RGB

Download

File details and verification

Filename: sample-24bit.bmp
Exact size: 921,654 bytes
Displayed size: 900 KB
Catalog status: Valid catalog fixture
SHA-256: f35ab78848abfdc19793b6e1fbc9eeadcb644b129e1946d0da70431e268c3ea9
Header signature: Matched (BMP)
Verified on: 2026-08-10
MIME type: image/bmp
Dimensions: 640 x 480 px
Bit depth: 24-bit
Color space: RGB
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/bmp/sample-24bit.bmp

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PNG

sample-1mb.png

1.00 MB

2560×1440 · 24-bit · RGB

Download

File details and verification

Filename: sample-1mb.png
Exact size: 1,051,417 bytes
Displayed size: 1.00 MB
Catalog status: Valid catalog fixture
SHA-256: 4d270ce68ec5c8af4d2eef1b0ef0aa66f0fdf63d87d425879f57aa9d5032ed62
Header signature: Matched (PNG)
Verified on: 2026-08-10
MIME type: image/png
Dimensions: 2,560 x 1,440 px
Bit depth: 24-bit
Color space: RGB
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/png/sample-1mb.png

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sample-1mb.tiff

1.10 MB

2000×1500 · 24-bit · RGB

Download

File details and verification

Filename: sample-1mb.tiff
Exact size: 1,153,138 bytes
Displayed size: 1.10 MB
Catalog status: Valid catalog fixture
SHA-256: 1a6336f1855a9261dfe726aa6722842c977e6ca7cd09beca9e1e1d3a604154fd
Header signature: Matched (TIFF little-endian)
Verified on: 2026-08-10
MIME type: image/tiff
Dimensions: 2,000 x 1,500 px
Bit depth: 24-bit
Color space: RGB
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/tiff/sample-1mb.tiff

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JPG

sample-1mb.jpg

1.10 MB

3840×2160 · 4K · sRGB

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File details and verification

Filename: sample-1mb.jpg
Exact size: 1,156,989 bytes
Displayed size: 1.10 MB
Catalog status: Valid catalog fixture
SHA-256: 53477f2e994681944a0ec6c624021987fcc64a838256fa55233d1fbc44b3beb7
Header signature: Matched (JPEG)
Verified on: 2026-08-10
MIME type: image/jpeg
Dimensions: 3,840 x 2,160 px
Resolution: 4K
Color space: sRGB
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/jpg/sample-1mb.jpg

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sample-1mb.heic

1.11 MB

3024×4032 · 8-bit · sRGB

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File details and verification

Filename: sample-1mb.heic
Exact size: 1,161,251 bytes
Displayed size: 1.11 MB
Catalog status: Valid catalog fixture
SHA-256: 84aaca7e7d6ce164b9455630ccf139fa046fa3f6000722731d3959c2e2d4e5d3
Header signature: Matched (ISO BMFF ftyp box at byte 0 (brand avif))
Verified on: 2026-08-10
MIME type: application/octet-stream
Dimensions: 3,024 x 4,032 px
Bit depth: 8-bit
Color space: sRGB
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/heic/sample-1mb.heic

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AVIF

sample-1mb.avif

1.11 MB

1920×1080 · 10-bit · sRGB

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File details and verification

Filename: sample-1mb.avif
Exact size: 1,165,679 bytes
Displayed size: 1.11 MB
Catalog status: Valid catalog fixture
SHA-256: 1dac4328d48918dd296bc38156b64b1d784a0db21d3e831a2cda3e12b10a58be
Header signature: Matched (ISO BMFF ftyp box at byte 0 (brand avif))
Verified on: 2026-08-10
MIME type: application/octet-stream
Dimensions: 1,920 x 1,080 px
Bit depth: 10-bit
Color space: sRGB
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/avif/sample-1mb.avif

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GIF

sample-animated-large.gif

1.23 MB

800×600 · 100 frames

Download

File details and verification

Filename: sample-animated-large.gif
Exact size: 1,286,906 bytes
Displayed size: 1.23 MB
Catalog status: Valid catalog fixture
SHA-256: eff496043b617e8f7b207394bd3b59367c4a09f9a327d2c45a68888e566d8ccc
Header signature: Matched (GIF8)
Verified on: 2026-08-10
MIME type: image/gif
Dimensions: 800 x 600 px
Frames: 100
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/gif/sample-animated-large.gif

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Video (3)

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sample-1mb.mp4

1.00 MB

854×480 · 4s · 480p · H.264

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File details and verification

Filename: sample-1mb.mp4
Exact size: 1,048,576 bytes
Displayed size: 1.00 MB
Catalog status: Valid catalog fixture
SHA-256: 5186e6750a63252088258d3bb757707e462316ba25f61ed7059763211a7e0587
Header signature: Matched (ISO BMFF ftyp box at byte 0 (brand isom))
Verified on: 2026-08-10
MIME type: video/mp4
Dimensions: 854 x 480 px
Resolution: 480p
Duration: 4s
Codec: H.264
Frame rate: 30 fps
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/mp4/sample-1mb.mp4

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sample-1mb.webm

1 MB

854×480 · 480p · VP9

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File details and verification

Filename: sample-1mb.webm
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Valid catalog fixture
SHA-256: b330356295f6fed26c207efe62bd50413acc08a1e768afce48a455d2b31db953
Header signature: Matched (EBML)
Verified on: 2026-08-10
MIME type: video/webm
Dimensions: 854 x 480 px
Resolution: 480p
Codec: VP9
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/webm/sample-1mb.webm

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sample-1mb.mkv

1 MB

854×480 · 4s · 480p · H.264

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File details and verification

Filename: sample-1mb.mkv
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Valid catalog fixture
SHA-256: 64edff473e01b7e6369ac3c6665bc696c37b42c9484ae44604e4d33c3c2fe746
Header signature: Matched (EBML)
Verified on: 2026-08-10
MIME type: application/octet-stream
Dimensions: 854 x 480 px
Resolution: 480p
Duration: 4s
Codec: H.264
Frame rate: 30 fps
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/mkv/sample-1mb.mkv

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Audio (9)

Browse all audio →

silence-5sec.wav

861 KB

5s · 44100Hz · stereo · 16-bit

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File details and verification

Filename: silence-5sec.wav
Exact size: 882,044 bytes
Displayed size: 861 KB
Catalog status: Valid catalog fixture
SHA-256: 728d8a027848aa5be1c3cbd20a1de4de177472efab72174d0f34bccfd3ec46e2
Header signature: Matched (RIFF/WAVE)
Verified on: 2026-08-10
MIME type: audio/wav
Duration: 5s
Sample rate: 44,100 Hz
Channels: stereo
Bit depth: 16-bit
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/silence/silence-5sec.wav

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silence-1min.mp3

938 KB

60s · 128kbps · 44100Hz · stereo

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File details and verification

Filename: silence-1min.mp3
Exact size: 960,932 bytes
Displayed size: 938 KB
Catalog status: Valid catalog fixture
SHA-256: 133eba121b0c1612ed5e831fd52b9fe9b2fddf2bde5d558a7fbcf60e93dca4bd
Header signature: Matched (ID3)
Verified on: 2026-08-10
MIME type: audio/mpeg
Duration: 1m
Bitrate: 128 kbps
Sample rate: 44,100 Hz
Channels: stereo
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/silence/silence-1min.mp3

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sample-64kbps.mp3

1016 KB

120s · 64kbps · 44100Hz · stereo

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File details and verification

Filename: sample-64kbps.mp3
Exact size: 1,040,553 bytes
Displayed size: 1016 KB
Catalog status: Valid catalog fixture
SHA-256: 17aba4fa7de2e31dfbf56dfeca4ecf54e5d07f47b83c9bb807e13a1f875ae5c7
Header signature: Matched (ID3)
Verified on: 2026-08-10
MIME type: audio/mpeg
Duration: 2m
Bitrate: 64 kbps
Sample rate: 44,100 Hz
Channels: stereo
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/mp3/sample-64kbps.mp3

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sample-1mb.mp3

1.00 MB

60s · 128kbps · 44100Hz · stereo

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File details and verification

Filename: sample-1mb.mp3
Exact size: 1,048,576 bytes
Displayed size: 1.00 MB
Catalog status: Valid catalog fixture
SHA-256: 5cc51f34c7ade30254abd88eb74d360f5de70a79db267dfa0df66fcb0e2f0f45
Header signature: Matched (ID3)
Verified on: 2026-08-10
MIME type: audio/mpeg
Duration: 1m
Bitrate: 128 kbps
Sample rate: 44,100 Hz
Channels: stereo
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/mp3/sample-1mb.mp3

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sample-1mb.aac

1 MB

60s · 128kbps · 44100Hz · stereo

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File details and verification

Filename: sample-1mb.aac
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Valid catalog fixture
SHA-256: 427803cea1035621764976121b7d7b46b66ecf334092cbde5ec2ae588b1f55a8
Header signature: Matched (AAC ADTS)
Verified on: 2026-08-10
MIME type: application/octet-stream
Duration: 1m
Bitrate: 128 kbps
Sample rate: 44,100 Hz
Channels: stereo
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/aac/sample-1mb.aac

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sample-1mb.ogg

1.00 MB

60s · Vorbis · 128kbps · 44100Hz · stereo

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File details and verification

Filename: sample-1mb.ogg
Exact size: 1,048,576 bytes
Displayed size: 1.00 MB
Catalog status: Valid catalog fixture
SHA-256: 166850780467fff797d6727775d101f10a82e1b107cff02bf40238a36cf7a4a7
Header signature: Matched (OggS)
Verified on: 2026-08-10
MIME type: application/octet-stream
Duration: 1m
Codec: Vorbis
Bitrate: 128 kbps
Sample rate: 44,100 Hz
Channels: stereo
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/ogg/sample-1mb.ogg

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sample-1mb.flac

1 MB

10s · FLAC · 44100Hz · stereo · 16-bit

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File details and verification

Filename: sample-1mb.flac
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Valid catalog fixture
SHA-256: e91de0220cb2eee870ded4d79ea54dd4822f94f712938ba5676848ca39c22f3f
Header signature: Matched (fLaC)
Verified on: 2026-08-10
MIME type: application/octet-stream
Duration: 10s
Codec: FLAC
Sample rate: 44,100 Hz
Channels: stereo
Bit depth: 16-bit
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/flac/sample-1mb.flac

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sample-1mb.wav

1.01 MB

5s · 44100Hz · stereo · 16-bit

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File details and verification

Filename: sample-1mb.wav
Exact size: 1,058,444 bytes
Displayed size: 1.01 MB
Catalog status: Valid catalog fixture
SHA-256: b14d5ec7713fadca5e777a695cb1479ed97c3d5fecaf514bc946af6939b4260d
Header signature: Matched (RIFF/WAVE)
Verified on: 2026-08-10
MIME type: audio/wav
Duration: 5s
Sample rate: 44,100 Hz
Channels: stereo
Bit depth: 16-bit
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/wav/sample-1mb.wav

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sample-mono.wav

1.26 MB

15s · 44100Hz · mono · 16-bit

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File details and verification

Filename: sample-mono.wav
Exact size: 1,323,044 bytes
Displayed size: 1.26 MB
Catalog status: Valid catalog fixture
SHA-256: 70f73472d54f299ab09c912cd9db025cdc8521146c1dd3c923ff281f9fd21889
Header signature: Matched (RIFF/WAVE)
Verified on: 2026-08-10
MIME type: audio/wav
Duration: 15s
Sample rate: 44,100 Hz
Channels: mono
Bit depth: 16-bit
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/wav/sample-mono.wav

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Archives (5)

Browse all archives →

sample-1mb.rar

1.00 MB

Download

File details and verification

Filename: sample-1mb.rar
Exact size: 1,048,658 bytes
Displayed size: 1.00 MB
Catalog status: Valid catalog fixture
SHA-256: 5c052d0f45ca1970597109fbd3b10d5ec1ae7683c5e22d1a73246a5323a5492c
Header signature: Matched (RAR)
Verified on: 2026-08-10
MIME type: application/vnd.rar
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/rar/sample-1mb.rar

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sample-1mb.7z

1.00 MB

Download

File details and verification

Filename: sample-1mb.7z
Exact size: 1,048,789 bytes
Displayed size: 1.00 MB
Catalog status: Valid catalog fixture
SHA-256: a56c77880278bd3f30b39da2b8b18425cfae5ca15630cdf4807bef4bfbf0cf38
Header signature: Matched (7z)
Verified on: 2026-08-10
MIME type: application/x-7z-compressed
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/7z/sample-1mb.7z

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sample-1mb.tar.gz

1.00 MB

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File details and verification

Filename: sample-1mb.tar.gz
Exact size: 1,050,136 bytes
Displayed size: 1.00 MB
Catalog status: Valid catalog fixture
SHA-256: 37b63fcd658b1ccdcb0a579a325c4b1998a9ef9d9aee1c811afb8d93c2b36bdc
Header signature: Matched (gzip)
Verified on: 2026-08-10
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/tar-gz/sample-1mb.tar.gz

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sample-1mb.tar.bz2

1.01 MB

Download

File details and verification

Filename: sample-1mb.tar.bz2
Exact size: 1,054,432 bytes
Displayed size: 1.01 MB
Catalog status: Valid catalog fixture
SHA-256: a4f32c25ec0016945202beabb245a0e134a9d9a07b5b28860bba0a5da5792128
Header signature: Matched (bzip2)
Verified on: 2026-08-10
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/tar-bz2/sample-1mb.tar.bz2

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sample-1mb.zip

1.05 MB

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File details and verification

Filename: sample-1mb.zip
Exact size: 1,102,644 bytes
Displayed size: 1.05 MB
Catalog status: Valid catalog fixture
SHA-256: bb63fb5a55ce96b8533aab7e7a18a58321ce007a361a5e68880ef483f436b35b
Header signature: Matched (ZIP local header)
Verified on: 2026-08-10
MIME type: application/zip
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/zip/sample-1mb.zip

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Data (5)

Browse all data →

sample-1mb.html

1024 KB

20,000 lines

Download

File details and verification

Filename: sample-1mb.html
Exact size: 1,048,568 bytes
Displayed size: 1024 KB
Catalog status: Valid catalog fixture
SHA-256: 362d8eefde240cd6c9e183c93e1f20984bbbfc3cd8cd26dcb7bd66e3fa713bd3
Header signature: Not applicable (no stable header signature for this format)
Verified on: 2026-08-10
MIME type: application/octet-stream
Lines: 20,000
Note: full-website
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/html/sample-1mb.html

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sample-1mb.log

1 MB

5,000 lines

Download

File details and verification

Filename: sample-1mb.log
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Valid catalog fixture
SHA-256: 390b2cec0d9762eab2693016f880b17f47b902e9efda5049abb76baafcd8c743
Header signature: Not applicable (no stable header signature for this format)
Verified on: 2026-08-10
MIME type: application/octet-stream
Lines: 5,000
Note: error-log
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/log/sample-1mb.log

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sample-1mb.parquet

1.06 MB

5,000 rows · GZIP

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File details and verification

Filename: sample-1mb.parquet
Exact size: 1,107,028 bytes
Displayed size: 1.06 MB
Catalog status: Valid catalog fixture
SHA-256: d688597090a38e8666256e4db34fb677b24616a7b44e19e9873b02b02629be4f
Header signature: Matched (PAR1)
Verified on: 2026-08-10
MIME type: application/octet-stream
Rows: 5,000
Columns: 12
Codec: GZIP
Note: with-nulls
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/parquet/sample-1mb.parquet

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sample-1mb.sqlite

1.10 MB

7,500 rows

Download

File details and verification

Filename: sample-1mb.sqlite
Exact size: 1,150,976 bytes
Displayed size: 1.10 MB
Catalog status: Valid catalog fixture
SHA-256: aee2c703c305ab91a423c037242fd2d7272b82f4e919fe6e6bc62d216e0db613
Header signature: Matched (SQLite format 3)
Verified on: 2026-08-10
MIME type: application/octet-stream
Rows: 7,500
Tables: 5
Indexes: 8
Note: with-indexes
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/sqlite/sample-1mb.sqlite

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sample-large.xml

1.12 MB

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File details and verification

Filename: sample-large.xml
Exact size: 1,177,324 bytes
Displayed size: 1.12 MB
Catalog status: Valid catalog fixture
SHA-256: 14cd0c4ca83881bafcb81f55233110617ee0e41e73276c0e9fdaa0100635e77c
Header signature: Not applicable (no stable header signature for this format)
Verified on: 2026-08-10
MIME type: application/xml
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/xml/sample-large.xml

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Fonts (3)

Browse all fonts →

sample-1mb.ttf

1 MB

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File details and verification

Filename: sample-1mb.ttf
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Intentionally invalid (negative test)
SHA-256: 42a7743be9225a137629aeef0409b9a003095d1891dbff1d8eb0e88402fdc13e
Header signature: Expected mismatch (expected TrueType sfnt)
Verified on: 2026-08-10
MIME type: application/octet-stream
Glyphs: 9,341
Font family: SampleSans
Font style: Regular
Note: OpenType/CFF content with a .ttf extension — negative signature test
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/ttf/sample-1mb.ttf

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sample-1mb.otf

1 MB

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File details and verification

Filename: sample-1mb.otf
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Valid catalog fixture
SHA-256: 2ab48101b4d578c3862fafc6101352de786fac0586ad811ffe3d1e45514288ff
Header signature: Matched (OpenType CFF)
Verified on: 2026-08-10
MIME type: application/octet-stream
Glyphs: 9,341
Font family: SampleSerif
Font style: Regular
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/otf/sample-1mb.otf

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sample-1mb.woff2

1 MB

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File details and verification

Filename: sample-1mb.woff2
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Intentionally invalid (negative test)
SHA-256: a08108643ef800871381ffe1c68ef583184461da8937118bdc099590eb90ce37
Header signature: Expected mismatch (expected wOF2)
Verified on: 2026-08-10
MIME type: application/octet-stream
Glyphs: 9,341
Font family: SampleSans
Font style: Regular
Note: OpenType/CFF content with a .woff2 extension — negative signature test
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/woff2/sample-1mb.woff2

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Test files (1)

Browse all test files →

test-1mb.bin

1 MB

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File details and verification

Filename: test-1mb.bin
Exact size: 1,048,576 bytes
Displayed size: 1 MB
Catalog status: Valid catalog fixture
SHA-256: a7fc76e5b7f6d9551e3658ca60aeb008238cbe3fea9cb2d17b52d049d297b50a
Header signature: Not applicable (no stable header signature for this format)
Verified on: 2026-08-10
MIME type: application/octet-stream
License: CC0 / Public Domain
Download URL: https://cdn.truefilesize.com/test/test-1mb.bin

See how TrueFileSize generates and measures sample files, or review the editorial policy.

Need a different size?

5MB sample files

Common upload-limit ceiling for many SaaS apps and content management systems.

10MB sample files

The default body-size limit on many gateways and the cutoff most apps care about.

50MB sample files

Mid-range size where simple uploads start to fail without chunking or resumable transfers.

100MB sample files

Large file size — exposes timeouts, memory leaks, and missing chunked-upload logic.

500MB sample files

Very large file — required for streaming uploads, S3 multipart, and tus protocol testing.

1GB sample files

Stress-test territory — uncovers issues only large uploads produce, like progress jitter and OOM.

Frequently Asked Questions

Why download a 1MB test file?

Standard small-file size for testing email attachments, basic upload flows, and form validation.

Are these files exactly 1MB?

This is a size-range page, not a claim that every file has the same byte count. It includes files between 800,000 and 1,500,000 bytes. Use the exact measured bytes and SHA-256 shown on each file card for boundary tests.

What formats are available at 1MB?

Documents, Images, Video, Audio, Archives, Data, Fonts, Test files. Each format includes multiple variants — different content, encoding, or properties — so you can match the exact case your app needs.

Do I need to sign up to download?

No. Click any download button and the file comes directly from the CDN without an email or account form.