#tutorial

Image conversion tips, format guides, and web optimization.

Developer Guides

Building a Telegram Bot That Converts Images

Telegram bots are one of the fastest ways to build a useful tool. Combined with KoalaPic’s API, you can create a bot that converts images in seconds — users send a photo, choose a format, and get the result back in the chat. What You’ll Build A Telegram bot that: 1. Accepts image...

· 3 min read
Developer Guides

Real-Time Conversion Progress with Server-Sent Events

When a conversion takes more than a couple of seconds — large files, batch jobs, or complex transformations — your users want to know what’s happening. Server-Sent Events (SSE) give you real-time progress updates without the complexity of WebSockets. SSE vs Polling Polling means your client...

· 2 min read
Use Cases

How Photographers Can Batch Convert RAW Files

RAW files (CR2, NEF, ARW, DNG) give photographers maximum control in post-processing, but they’re impractical for sharing, uploading, or archiving at scale. Converting RAW to JPEG, TIFF, or WebP is a necessary step — and when you have hundreds or thousands of files, batch conversion is...

· 2 min read
Format Guides

The Complete Guide to ICO Files — Favicons for Every Browser

Favicons seem simple — a tiny icon in the browser tab. In practice, they’re one of the most fragmented areas of web development, with different browsers and platforms expecting different sizes, formats, and file names. What Is an ICO File? ICO (Windows Icon) is a container format that holds...

· 3 min read
Format Guides

SVG to PNG — When and Why to Rasterize Vector Graphics

SVG files are perfect for logos, icons, and illustrations because they scale to any size without losing quality. But there are plenty of situations where you need a rasterized PNG instead — and knowing when to convert matters. When to Rasterize SVG to PNG Email: Most email clients strip SVG from...

· 3 min read

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