How to Use Perma.cc to Archive Citations Permanently

Citing web pages has always been a gamble. One moment, a page is live and public. The next, it’s behind a paywall, redirected, or gone entirely. For researchers, journalists, lawyers, and anyone who works with digital references, that volatility creates real problems. You cite the link, but the evidence disappears.

That’s where Perma.cc comes in.

Built by librarians and legal scholars at Harvard’s Library Innovation Lab, Perma.cc is a long-term archiving service designed to keep citations verifiable - even decades after the source disappears. It’s trusted by courts, law reviews, academic institutions, and anyone else who takes attribution seriously.

Let’s take a closer look at how it works, when to use it, and how it fits into a wider personal archiving workflow, like the one we covered in our guide to using ArchiveBox.

What Perma.cc Is and Why It Exists

At its core, Perma.cc lets you create a permanent, time-stamped snapshot of a web page and assigns it a unique, stable URL. That snapshot is stored by a network of participating academic institutions and preserved regardless of what happens to the original.

The project originated as a response to a real-world problem in legal publishing: link rot. Law journals and court decisions were routinely citing URLs that no longer existed by the time a reader followed the link. In some cases, that undermined the citation entirely.

Rather than depend on traditional crawlers, Perma.cc lets authors and researchers proactively archive only the pages they intend to cite, with permissioned access and a clean, curated interface.

You can explore the service at https://perma.cc/, and the official documentation at https://perma.cc/docs/.

How to Create a Perma.cc Archive

The platform is designed to be simple.

  1. Create a free account. Some functionality (like unlimited links) may require academic affiliation or organization-based access, but anyone can register.

  2. Paste the target URL into the “Create Perma Link” field.

  3. Click save, and Perma.cc captures the current state of the page - HTML, images, and key assets.

  4. You’re given a new permanent link in the form of:

 
https://perma.cc/ABC1-234X

That link will always resolve to the archived version. You can view the full capture, its metadata, and even a screenshot.

Unlike other tools, Perma.cc also creates a read-only PDF of the capture, making it admissible in some legal and academic contexts.

When It’s the Right Tool

Perma.cc isn’t meant for bulk archiving or scraping. It doesn’t follow links or download full sites. It’s not a crawler or forensic tool.

But when it comes to archiving something specific with formal intent - a footnote, a legal citation, a bibliography entry - it’s unmatched in clarity and credibility.

It’s especially useful when:

  • You're submitting a manuscript to a journal that requires stable references

  • You’re citing a policy or blog post that may be changed or deleted

  • You need to provide a timestamped version of a page in a legal document

  • You want to guarantee that a source will remain viewable to others indefinitely

For larger or more exploratory projects (like OSINT sweeps or full-site reconstructions), a tool like ArchiveBox is more appropriate. But for citations that need to hold up in time and scrutiny, Perma.cc is tailor-made.

Academic Backing and Data Preservation

What gives Perma.cc an edge in longevity is its stewardship model. The service is operated by the Harvard Law School Library, but backed by a consortium of universities and libraries, each contributing to the long-term hosting and preservation of the data.

This is crucial. It means you’re not just relying on a single server or private company to maintain your snapshots. There’s an institutional promise behind each link. You can read more about their model at https://perma.cc/about.

Limitations to Keep in Mind

Perma.cc doesn’t work on every page. Some sites block archiving, particularly if they use aggressive scripts, login requirements, or dynamic content that loads after the initial request. In those cases, your capture may fail or result in a minimal snapshot.

It also limits the number of links free users can create. If you're affiliated with a participating institution, you’ll get more flexibility - but if you're working independently, you may hit a quota.

Still, for the use case it’s designed to serve - making web citations durable and verifiable - it does the job better than anything else.

Citation Is Preservation

Every time you cite a web page, you’re staking your work on someone else’s server staying up. On someone else’s business model. On someone else’s domain registration renewal.

Perma.cc changes that. It turns volatile links into stable records. Not scraped, not guessed - curated and stored with care.

Whether you’re writing an academic paper, a legal brief, or just trying to ensure that your research isn’t undone by link rot, Perma.cc is one of the most trustworthy tools in your preservation kit.

And if you’re building a broader digital archive, pairing Perma.cc with ArchiveBox gives you both the precision of citations and the depth of full-page preservation.