WhatsApp Chat Viewer
Open any WhatsApp chat export right in your browser. Nothing is uploaded, nothing is stored.
The Problem
People frequently need to revisit an exported WhatsApp chat, whether for sentimental reasons, record-keeping, or just easier reading than scrolling a phone screen, but most online chat viewers require uploading the .txt export to a server first. That means private conversations end up sitting on someone else's infrastructure, with no way to verify what happens to them afterward.
The Solution
WhatsApp Chat Viewer opens a WhatsApp chat export entirely inside the browser. The .txt file is read and parsed with client-side JavaScript, never sent to any server, logged, or stored. Closing the tab clears every message from the tool. The claim is verifiable: opening the browser's developer tools and checking the Network tab while loading a chat shows zero outbound requests. The entire viewer is a single HTML page plus a few JavaScript files, viewable through "view source," and the page can even be saved and used fully offline.
Key Features
The tool auto-detects whether an export came from Android or iPhone, since the two use different date formats, and handles both without any manual setting changes. It supports automatic text-direction detection, so right-to-left scripts like Arabic, Hebrew, Urdu, and Persian render correctly alongside Hindi, Bengali, Tamil, Chinese, Japanese, Korean, and emoji, all displaying properly. The viewer is currently text-only: media files that WhatsApp exports alongside the .txt (photos, voice notes, videos) are not read, but messages that originally contained media show a small attachment marker so their place in the conversation is still visible. A sample chat is available so users can try the viewer before uploading their own file.
Technical Details
WhatsApp Chat Viewer is built with HTML and vanilla JavaScript, with no backend component: chat parsing, date-format detection, right-to-left text rendering, and rendering of the full conversation all happen client-side in the browser. Because there is no server call involved in processing the file, the tool can be verified as fully private using the browser's own developer tools, and it continues to work when saved locally and run offline.
Impact
WhatsApp Chat Viewer solves a specific privacy gap left by other online chat viewers that require server uploads. It gives users a way to revisit their exported conversations without handing private messages to a third party, in line with the same privacy-first approach used across MZift's other tools.
