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Sunshine 37416f827b add installation instruction for Chocolatey 2 days ago
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.adr-dir add ADR describing asset minimization 3 years ago
.gitignore add support for working with local assets 3 years ago
Cargo.lock bump version number (2.6.2 -> 2.7.0), update dependencies 4 weeks ago
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monolith build status on GNU/Linux monolith build status on macOS monolith build status on Windows

 _____     ______________    __________      ___________________    ___
|     \   /              \  |          |    |                   |  |   |
|      \_/       __       \_|    __    |    |    ___     ___    |__|   |
|               |  |            |  |   |    |   |   |   |   |          |
|   |\     /|   |__|    _       |__|   |____|   |   |   |   |    __    |
|   | \___/ |          | \                      |   |   |   |   |  |   |
|___|       |__________|  \_____________________|   |___|   |___|  |___|

A data hoarder’s dream come true: bundle any web page into a single HTML file. You can finally replace that gazillion of open tabs with a gazillion of .html files stored somewhere on your precious little drive.

Unlike the conventional “Save page as”, monolith not only saves the target document, it embeds CSS, image, and JavaScript assets all at once, producing a single HTML5 document that is a joy to store and share.

If compared to saving websites with wget -mpk, this tool embeds all assets as data URLs and therefore lets browsers render the saved page exactly the way it was on the Internet, even when no network connection is available.


Using Cargo (cross-platform)

cargo install monolith

Via Homebrew (macOS and GNU/Linux)

brew install monolith

Via Chocolatey (Windows)

choco install monolith

Via MacPorts (macOS)

sudo port install monolith

Using Snapcraft (GNU/Linux)

snap install monolith

Using Guix (GNU/Linux)

guix install monolith

Using AUR (Arch Linux)

yay monolith

Using aports (Alpine Linux)

apk add monolith

Using FreeBSD packages (FreeBSD)

pkg install monolith

Using FreeBSD ports (FreeBSD)

cd /usr/ports/www/monolith/
make install clean

Using pkgsrc (NetBSD, OpenBSD, Haiku, etc)

cd /usr/pkgsrc/www/monolith
make install clean

Using containers

docker build -t Y2Z/monolith .
sudo install -b dist/ /usr/local/bin/monolith

From source

Dependency: libssl

git clone
cd monolith
make install

Using pre-built binaries (Windows, ARM-based devices, etc)

Every release contains pre-built binaries for Windows, GNU/Linux, as well as platforms with non-standard CPU architecture.


monolith -o portishead-roads-lyrics.html
cat index.html | monolith -aIiFfcMv -b - > result.html


  • -a: Exclude audio sources
  • -b: Use custom base URL
  • -B: Forbid retrieving assets from specified domain(s)
  • -c: Exclude CSS
  • -C: Save document using custom charset
  • -d: Allow retrieving assets only from specified domain(s)
  • -e: Ignore network errors
  • -f: Omit frames
  • -F: Exclude web fonts
  • -i: Remove images
  • -I: Isolate the document
  • -j: Exclude JavaScript
  • -k: Accept invalid X.509 (TLS) certificates
  • -M: Don't add timestamp and URL information
  • -n: Extract contents of NOSCRIPT elements
  • -o: Write output to file (use “-” for STDOUT)
  • -s: Be quiet
  • -t: Adjust network request timeout
  • -u: Provide custom User-Agent
  • -v: Exclude videos

Whitelisting and blacklisting domains

Options -d and -B provide control over what domains can be used to retrieve assets from, e.g.:

monolith -I -d -d -o example-only.html
monolith -I -B -d -d -d -o example-no-ads.html

Dynamic content

Monolith doesn't feature a JavaScript engine, hence websites that retrieve and display data after initial load may require usage of additional tools.

For example, Chromium (Chrome) can be used to act as a pre-processor for such pages:

chromium --headless --incognito --dump-dom | monolith - -I -b -o github.html


Please set https_proxy, http_proxy, and no_proxy environment variables.


Please open an issue if something is wrong, that helps make this project better.


To the extent possible under law, the author(s) have dedicated all copyright related and neighboring rights to this software to the public domain worldwide. This software is distributed without any warranty.

Keep in mind that monolith is not aware of your browser’s session