오픈소스 고지

pdf-lib — Copyright (c) 2019 Andrew Dillon. MIT License. https://github.com/Hopding/pdf-lib

heic-to — Copyright (c) hoppergee. LGPL-3.0 (libheif). https://github.com/hoppergee/heic-to

MIT License: Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files, to deal in the Software without restriction, subject to including the above copyright notice and this permission notice in all copies. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.