Tools

GemList Builder

Client-side · No upload · No account

A .gemlist file is a manifest GemReader can import — a list of book URLs it downloads into your library in one go. Add each item below, then download the file. Everything runs in your browser; nothing is ever sent to a server.

Add an item

URL *

Filetype *

Title

SHA-256 checksum

Items (0)

No items yet. Add one above to get started.

Filename

.gemlist

Live preview

{
  "version": 1,
  "items": []
}

Format reference

versionAlways 1.
items[].urlRequired. Direct, fully-qualified URL to the book file.
items[].filetypeRequired. One of epub, mobi, azw, azw3, zip, 7z, pdf, txt, tar, gempack.
items[].titleOptional. Display name shown before the book is downloaded.
items[].checksumOptional. { algo: "sha-256", value: "<64-char hex>" } — verified after download.
items[].authOptional. For paywalled sources — bearer, basic, or api-key, with an optional hint and config.