
ChatToPdf.app
MyChatWrap
PrintChat.app
Mastros.online
Mastros.online WhatsApp Scraper
WhatsApp Business
Decipher TextMessage
A private and seamless way to view WhatsApp chat exports.

Bun.sh
Node.js
Fresh Framework
Next.js
React
Preact.js
ExpressJS
A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.

Which is more popular?
Based on our record, Deno seems to be more popular. It has been mentioned 201 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | chatparser.online | deno.land |
| Pricing | ||
| Company | Startup from Sri Lanka · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Free WhatsApp chat viewer to open exported chats instantly. Upload .txt or .zip files and explore your chat history privately in your browser.
No description of Deno yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Deno is recommended for developers who are starting new projects that can benefit from its modern approach, those who prioritize security, and developers who prefer using TypeScript. However, for large-scale projects that depend heavily on Node.js's extensive package ecosystem, the transition might require additional considerations.
Walkthroughs and reviews on video.
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Why nobody is using Deno?
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing ChatParser and Deno.
ChatParser's answer
ChatParser stands out because it uses a fully client-side (zero-server) architecture, meaning all chat processing happens directly in the user’s browser. Unlike other tools that upload sensitive data to servers, ChatParser ensures complete privacy.
It also recreates WhatsApp chats in a realistic, app-like interface, making exported conversations easy to read, search, and explore. Combined with fast performance and offline capability, it delivers a smooth and secure experience without requiring installation or login.
ChatParser's answer
It is faster, more private, and easier to use. No data upload, no login, and works instantly with large chat files.
ChatParser's answer
Anyone who exports WhatsApp chats and wants an easy, secure way to view them, including students, professionals, and everyday users.
ChatParser's answer
It was created to solve the problem of messy WhatsApp exports by turning them into a simple, readable, and private chat experience.
ChatParser's answer
React, TypeScript, IndexedDB, JSZip, and virtual scrolling.
Share your experience with using ChatParser and Deno. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking ChatParser since Apr 2026.
Deno — https://deno.land Technology: JavaScript/TypeScript runtime. Backed / sponsored by: Deno Company + open source community. How to generate revenue: Paid hosting, enterprise support, managed Deno services, training. Description... - Source: dev.to / about 1 year ago
Deno.bench("URL parsing", () => { new URL("https://deno.land"); }); Deno.bench("Async method", async () => { await crypto.subtle.digest("SHA-256", new Uint8Array([1, 2, 3])); }); Deno.bench({ name: "Long form", fn: () => { ... - Source: dev.to / almost 2 years ago
// Importing the serve function from Deno's standard library Import { serve } from "https://deno.land/std@0.196.0/http/server.ts"; // Function to handle requests Async function handler(req: Request): Promise { const {... - Source: dev.to / about 2 years ago
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Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
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Convert WhatsApp chat exports into searchable PDFs, as chat bubbles or a legal transcript with Bates numbers. The file is not uploaded.
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