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The Compression Blog

Practical guides on image formats, compression and getting your files small and fast.

July 1, 2026 · 6 min read

How to Reduce PNG File Size

PNGs keep every pixel, which makes them crisp but heavy. Here are four reliable ways to shrink a PNG dramatically — and how to know which one to use.

June 29, 2026 · 6 min read

AVIF: The Next-Generation Image Format

AVIF is the smallest mainstream image format available today — often half the size of a JPEG. Here's what it is, what it saves, and when it's worth using.

June 29, 2026 · 6 min read

What Is WebP, and Should You Use It?

WebP promises smaller files than both JPEG and PNG without visible quality loss. Here's what it actually is, what it saves, and when it's the right choice.

June 25, 2026 · 5 min read

PNG vs JPG: When to Use Each Format

PNG and JPG are both everywhere, but they're built for completely different jobs. Picking the wrong one means blurry text or a photo that's ten times too heavy.

June 24, 2026 · 6 min read

HEIC vs JPG: How to Convert iPhone Photos to JPEG

Your iPhone shoots in HEIC by default — a format that Windows, most websites and older apps can't open. Here's how to convert HEIC to JPG in seconds.

June 23, 2026 · 5 min read

How to Compress Images for WhatsApp Without Losing Quality

WhatsApp shrinks every photo you send — often aggressively. Pre-compressing it yourself gives you control over how much quality is lost before it reaches the recipient.

June 23, 2026 · 6 min read

Best Image Size and Format for Instagram in 2026

Instagram re-compresses every photo you upload. Know the right dimensions and file size going in, and your posts will look sharper and load faster.

June 22, 2026 · 5 min read

How to Reduce Image File Size for Email

Sending a photo straight from your phone can mean a 5 MB attachment that bounces or takes forever to download. Here's how to make it email-friendly in seconds.

June 22, 2026 · 6 min read

How to Compress an Image to 100 KB (or Any Target Size)

Forms, job applications, and upload portals often demand images under 100 KB. Here's how to hit that target without making your photo look terrible.

June 21, 2026 · 7 min read

How to Compress Images for Your Website Without Losing Quality

Images are usually the heaviest thing on a web page. Here's a practical, no-nonsense workflow to make them small and fast without visible quality loss.

June 21, 2026 · 6 min read

JPEG vs PNG vs WebP vs AVIF: Which Format Should You Use?

JPEG, PNG, WebP, AVIF — four formats, four trade-offs. Here's how to choose the right one for photos, graphics and the web, with no jargon.