Image Tips & Guides

Learn how to compress, resize, and edit images the right way. Free guides and tips from the NanoImage team.

How-toΒ·7 min

How to Split an Image Online β€” Free Image Splitter for Instagram & More

Need to create an Instagram grid, slice a panorama into carousel slides, or cut a sprite sheet into frames? This guide shows you how to split any image in under a minute β€” right in your browser.

Apr 9, 2026

How-toΒ·7 min

How to Merge Images Online β€” Free Image Joiner, No Upload

Need to combine photos side by side or stitch screenshots into one long image? This guide shows you how to merge images in under 30 seconds β€” right in your browser, no software needed.

Apr 8, 2026

How-toΒ·5 min

How to Compress an Image to 200KB Online β€” Free & Private

Many websites and apps have strict file size limits. This guide shows you the easiest ways to compress an image to 200KB β€” without installing any software.

Feb 20, 2026

PrivacyΒ·5 min

Do Online Image Tools Store Your Photos? The Truth About Image Privacy

You upload a photo to compress it. But what happened to your image in between? This article explains what actually happens β€” and how to protect yourself.

Feb 20, 2026

How-toΒ·5 min

How to Crop an Image Online β€” Free, Instant, No Software Needed

Cropping is one of the most common image tasks. Whether you're removing an unwanted background or fitting a photo to a specific aspect ratio, this guide shows you how.

Feb 23, 2026

How-toΒ·5 min

How to Add a Watermark to a Photo Online β€” Free & Private

Whether you're a photographer protecting your portfolio or a business owner publishing product photos, watermarks are one of the simplest ways to protect your visual content.

Feb 23, 2026

How-toΒ·4 min

How to Convert PNG to JPG Online β€” Free, Fast, No Upload Required

Need to convert a PNG to JPG? Maybe a form only accepts JPG files. Whatever the reason, this guide explains how β€” and when it actually makes sense to convert.

Feb 23, 2026

How-toΒ·5 min

How to Blur a Photo Online β€” Censor, Protect Privacy, or Add Depth

Blurring an image isn't just an artistic effect β€” it's often a practical necessity. This guide covers how to blur images online quickly and for free.

Feb 23, 2026

TipsΒ·6 min

Image Resolution Explained: Pixels, DPI, and Why It Matters

You've probably heard "resolution," "pixels," and "DPI" thrown around when talking about image quality. This guide explains what they actually mean β€” and when it matters.

Feb 23, 2026

Platform GuideΒ·7 min

Image Sizes for Every Social Media Platform in 2026 β€” The Complete Cheat Sheet

Uploading images at the wrong size means letting the platform crop, compress, or stretch them. This cheat sheet gives you the correct dimensions for every major platform.

Feb 23, 2026

How-toΒ·6 min

How to Edit Images Directly in Claude β€” NanoImage MCP Integration Guide

NanoImage runs as a free MCP server at mcp.nanoimage.net. Connect it to Claude once, and you can compress, resize, crop, and convert images directly inside any conversation.

Feb 28, 2026

TipsΒ·7 min

WebP vs JPG vs PNG vs GIF: Which Image Format Should You Use?

Different formats make different trade-offs between file size, quality, transparency, and animation. This guide covers all four major formats so you always choose the right one.

Mar 30, 2026

How-toΒ·5 min

How to Rotate a Sideways Photo Back to Normal

A photo that looks fine on your phone but appears sideways everywhere else is one of the most common image problems. Here's why it happens and how to fix it permanently.

Mar 30, 2026

How-toΒ·5 min

How to Make a Meme Online Without Signing Up

Every major meme generator wants your email. NanoImage's meme tool runs entirely in your browser β€” no account, no sign-up, no marketing emails.

Mar 30, 2026

How-toΒ·5 min

How to Add a White Border to Photos for Instagram

A consistent white border transforms your Instagram profile grid from cluttered to editorial. Here's how to add one in under a minute β€” directly in your browser.

Mar 30, 2026

ComparisonsΒ·5 min

TinyPNG vs NanoImage: What's the Difference?

TinyPNG is the go-to for image compression, but it uploads every image to its servers. NanoImage compresses entirely in your browser. Here's a detailed comparison.

Mar 31, 2026

How-toΒ·6 min

How to Resize a Photo for a Visa or Passport Application

Passport and visa photo requirements are strict. Wrong dimensions or file size means rejection. This guide covers exact specs and how to prepare your photo for free.

Mar 31, 2026

How-toΒ·5 min

How to Compress Images for Email Attachments

Email attachment too large? This guide shows you how to compress images to the right size for any email provider β€” in under a minute, directly in your browser.

Mar 31, 2026

How-toΒ·5 min

How to Make a Photo Black and White Online (Free)

Black and white photography never goes out of style. Convert any colour photo to grayscale instantly in your browser β€” no software, no account required.

Mar 31, 2026

How-toΒ·5 min

How to Invert Image Colors Online (Free Negative Photo Effect)

Inverting an image's colours creates a negative effect with more practical uses than you'd expect. Do it instantly in your browser β€” one click, no upload.

Mar 31, 2026