How to export all elements in a iPhone WhatsApp chat? I need to export all contents in a WhatsApp chat, going back several months, including lots of audio and other media. This is for legal reasons, thus I absolutely need each and every element in the conversation. WhatsApp is running on a iPhone 5s, the phone is synchronized with iTunes on a Windows PC, and all elements in the chat have never been deleted.

I tried using WhatsApp's "email chat" function, but it skipped several media, probably due to message size limits (the email was exactly 10 MB); unfortunately, there doesn't seem to be an option in WhatsApp to split the log into multiple emails.

I have an iTunes backup and I can perform an iCloud backup; however, I don't know how to extract WhatsApp data from them. There seem to be lots of apps out there for extracting this kind of data, but they are not free (and I also don't know if they work as promised); I'd prefer a free solution, but a paid one is ok if it can fulfill my requirements.

I already wrote to WhatsApp support, and I'm waiting for their reply; however, I'm also asking here, maybe someone can help.
CopyTrans Contacts is an application which can export WhatsApp chats in several formats, including HTML pages and Word documents with intenal links to attachments; this allows easy and comfortable reviewing of the exported chats.

CopyTrans Contacts is not free, but a limited trial is available; the trial allows up to 50 actions to be performed, and a full export of a WhatsApp chat counts as a single action; therefore, the trial version is more than enough for exporting the full contents of one or more chats.