Span between supports: 12.0"

~180 lbs max capacity

Rough estimate. Add safety margin of 50%. Books weigh ~25 lbs/linear foot.

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About Shelf Load

Shelf Load is a free, browser-based utility designed to make this task as quick and frictionless as possible. Built to be the kind of tool you bookmark and use weekly: no surprises between visits, no degraded free tier, and a UI that gets out of the way. If you find yourself doing this regularly, the rest of the utility suite covers most adjacent tasks with the same approach.

When you'd reach for Shelf Load

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

Frequently asked about Shelf Load

Are my files uploaded to a server when I use Shelf Load?
Shelf Load processes everything in your browser using local APIs. Your files never leave your device.
Will Shelf Load change my original file?
Never. Shelf Load only reads your input file and produces a new output file.
What browsers does Shelf Load support?
Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
Does Shelf Load work on mobile?
Yes, Shelf Load is fully responsive and tested on iOS Safari and Android Chrome.
Is Shelf Load really free?
Yes — Shelf Load is free for unlimited personal use, with no account required and no watermark on the output.