2026

Image conversion tips, format guides, and web optimization.

Tips & Best Practices

5 Common Image Conversion Mistakes and How to Avoid Them

After processing millions of image conversions, we see the same mistakes repeatedly. Here are the five most common ones and how to avoid them. Mistake 1: Choosing the Wrong Format The most frequent error is converting everything to PNG “because it’s high quality.” PNG is lossless,...

· 3 min read
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

Preparing Images for Social Media — Sizes, Formats, and Tips

Every social media platform has different image requirements — dimensions, file sizes, formats, and aspect ratios. Posting the wrong size means your images get cropped awkwardly, compressed heavily, or rejected entirely. Platform Cheat Sheet (2026) Instagram Type Size Aspect Ratio Feed post...

· 2 min read

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