ImageTools

Blog — Tips & Guides About Images

Free tutorials on image editing, sizes for social media, marketplaces and much more.

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Pixel Art with AI: Complete Guide and 40 Prompts to Copy

Why AI gets the style wrong, how to build prompts that work, and the final step that produces real pixel art.

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AI Parameters Guide: Aspect Ratio, Seed, CFG, Stylize and Steps

What each parameter does in AI image generation, ideal ranges, and how to combine them for repeatable results.

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50 Artistic Styles for AI Prompts (with Examples)

From anime and watercolour to pixel art and Bauhaus: fifty styles explained, each with a prompt ready to copy.

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50 Prompts for Anime and Manga with AI (Ready to Copy)

Characters, scenery, action and emotion in fifty explained prompts, with a negative prompt and what each model does differently.

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50 AI Prompts for Tattoos (Ready to Copy)

Fine line, blackwork, old school and realism in fifty prompts, plus which styles age well and what to check before getting inked.

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How to Write AI Image Prompts

Learn to write AI image prompts: the 6-layer structure, technical vocabulary, negative prompts, ready-made examples, and mistakes to avoid.

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100 AI Prompts to Create Images

100 ready-to-copy AI prompts in 12 categories: portraits, products, landscapes, anime, food, wallpapers, thumbnails and more.

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50 AI Prompts for Portraits and People Photos

50 AI prompts for portraits: studio, natural light, black and white, fashion, staged, family, kids and conceptual, ready to copy.

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50 AI Prompts for Product and E-commerce Photos

50 AI prompts for product photos: catalog, cosmetics, fashion, food, electronics, jewelry and lifestyle, with defined light and angle.

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50 AI Prompts for Architecture and Interior Design

50 AI prompts for architecture and interiors: living rooms, kitchens, bedrooms, bathrooms, facades and commercial spaces, with defined materials and light.

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50 AI Prompts for Logo Maker

50 ready-to-use AI prompts to create a logo, by industry: tech, food, fashion, health, fitness, pet shop, construction and more.

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50 Cinematic AI Prompts

50 cinematic AI prompts across 8 genres: noir, sci-fi, horror, drama, action, period, romance and fantasy, with shot type and grading.

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50 Prompts for 4K Wallpaper and Phone Backgrounds

50 AI prompts for 4K wallpaper and phone backgrounds: abstract, nature, space, AMOLED, anime and textures, ready to copy.

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50 Prompts for YouTube Thumbnails

50 AI prompts for YouTube thumbnails by niche: tech, gaming, finance, vlog, fitness, cooking and more, ready to copy.

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How to Create Banners and Social Media Posts with AI

How to use AI to create posts, stories, banners and ads: 25 ready-made prompts, a brand kit for consistency, and the complete production workflow.

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How to Expand an Image with AI (Outpainting)

What outpainting is, when to use it, how to write the expansion request, and how to fix visible seams, duplication, and broken perspective.

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How to Achieve AI Character Consistency

The 4 methods for keeping the same character across every AI image: character bible, reference image, turnaround sheet, and model training.

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How to Use ChatGPT to Create Images

How to create images in ChatGPT in 2026: step by step, prompts that work, editing, character consistency, and free-plan limits.

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How to Use Gemini to Create Images (Nano Banana)

How to create images in Gemini with Nano Banana: the three models, step by step, ready-made prompts, conversational editing, and free-plan limits.

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Professional Photo Prompt: 25 Ready AI Templates

The 7-block prompt structure, 25 ready templates by profession, and the finishing touches that avoid the "AI look".

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How to Know If an Image Was Made by AI

Visual signs, metadata and tools to identify whether a photo was created by artificial intelligence.

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Negative AI Prompts to Improve Your Images

What negative prompts are, how to use them in Midjourney and Stable Diffusion, and ready-to-use examples.

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How to Create E-commerce Product Images with AI

Prompts and workflow to generate professional product photos with AI, no photo studio required.

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How to Colorize Old Photos with AI

Tools and tips to naturally colorize old black-and-white photos using artificial intelligence.

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AI Prompts to Create an Avatar and Profile Photo

Ready-to-use AI prompts to create professional avatars and profile photos for LinkedIn and social media.

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How to Crop an Image into a Square

See how to crop a photo into a square (1:1) format, ideal for Instagram feed, marketplaces and thumbnails, without distorting it.

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How to Crop an Image for Instagram

See the right aspect ratios for feed, Stories and Reels, and how to crop your photo for each format without cutting off what matters.

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How to Crop an Image Without Losing Quality

Find out what actually affects quality when cropping an image and how to avoid pixelated or blurry results.

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How to Crop an Image into a Circle

See how to crop photos and logos into a circular shape for avatars, social media and brand badges.

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How to Crop a Photo for ID Documents and Resumes

See how to properly frame and crop a photo for ID documents, with the right aspect ratio and a well-centered face.

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How to Crop an Image Online

Learn how to crop an image online and for free, with tips on when to crop instead of resize and mistakes to avoid.

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ID Photo Size Guide: Passport, Visa, and More

See the right photo sizes for passports, visas, driver's licenses and other ID documents, and how to resize correctly.

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How to Resize an Image Without Losing Quality

See how to change an image's size without distorting it or losing quality, while keeping the correct aspect ratio.

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How to Increase Image Resolution Without Losing Quality

See how to enlarge an image without turning it pixelated, with recommended enlargement limits and mistakes to avoid.

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How to Improve Image Quality for Printing

Understand the difference between screen and print resolution and see how to prepare your image so it doesn't come out blurry on paper.

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How to Sharpen a Blurry Photo

Find out how to improve the sharpness of blurry or out-of-focus photos online and for free, with tips to avoid the problem in the future.

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How to Remove Background from Product Photos

See how to remove the background from product photos to sell more on marketplaces, with requirements by platform and mistakes to avoid.

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Background removal

How to Remove Background from a Resume Photo

See how to remove the background from a resume photo online for free, giving your profile picture a clean, professional look.

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Image Base64: What It Is, How to Use It and When It's Worth It

Complete guide to Base64 for images: what it is, how to convert, when to use it in CSS and HTML, pros, cons and the impact on site performance.

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The Best Tools to Resize Images for E-commerce in 2026

Compare the leading free resizing tools and see the ideal sizes for Amazon, Shopify, Mercado Livre and social media.

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10 Best Image Optimization Tools in 2026

TinyPNG, Cloudinary, ShortPixel and more: compare the leading tools to compress and optimize images and speed up your site.

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Best Free Photo Editors in 2026

From GIMP to Pixlr: the best free editors for desktop, online and mobile — plus specialized tools for compression, conversion and background removal.

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Best AI Tools to Create Images in 2026: Full Comparison

Midjourney, DALL-E 3, Stable Diffusion, Firefly and more: see which image-generation AI is best for each type of project and budget.

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How to Use AI to Create, Edit, Enhance and Automate Images

From generation to batch processing: a complete overview of what artificial intelligence can do for your image work today.

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How to Create and Sell AI Images

Platforms that accept AI images, technical requirements, copyright issues and strategies to monetize your catalog.

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10 AI Prompts to Create Realistic Images

Tested prompts for Midjourney, DALL-E and Stable Diffusion with the right structure for subject, lighting, camera and technical finish.

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How to Improve Image Quality Without Losing Sharpness

AI upscaling, sharpening, smart compression and noise reduction: the complete guide to sharper images and lighter files.

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Best AI to Restore Old Photos

Comparison of the leading tools to remove scratches, colorize and increase the resolution of old family photos.

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How to Resize a Photo for OLX and the Ideal Size

The right dimensions for OLX listings, upload limits, and how to resize your photos for free to sell faster.

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Background removal

How to Remove the Background From a Photo for Free Online

Learn to remove the background from any image in seconds, with no software to install and no sign-up.

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Photo Size for Mercado Livre, Shopee & Amazon 2026

Exact dimensions for each marketplace and how to resize your product photos for free.

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How to Make a YouTube Thumbnail That Gets More Clicks

The correct size, essential elements, and a free tool to create professional thumbnails.

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How to Convert PNG to JPG Online and Free

Convert PNG to JPG in seconds, no install needed. Supports batch conversion with ZIP download.

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How to Compress an Image Without Losing Quality

Which quality level to use in each situation and how to compress in batch for free.

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Photo Size for Instagram, Facebook, TikTok & YouTube 2026

A complete table with the ideal dimensions for every format and platform in 2026.

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What Are SVG Images? Complete Guide

Understand what SVG is, how the vector format works, when to use it, and its advantages for logos and icons on the web.

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What Are JPG Images? Complete Guide

How lossy compression works, what quality to use in each situation, and when JPG is the right choice.

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What Are PNG Images? Complete Guide

Understand the alpha channel, the difference between PNG-8 and PNG-24, and when to use PNG instead of JPG or WebP.

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What Are WebP Images? Complete Guide

Why WebP is up to 35% smaller than JPG and PNG, how to use it on your site, and when it replaces traditional formats.

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PNG, JPG or WebP: Which Image Format Should You Use?

Understand the differences between the three formats and know which to choose for each situation: photos, logos, websites and social media.

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How to Create a Favicon: Sizes for Every Device

Complete guide with every favicon size for browsers, iPhone, Android and PWA — and how to install it on your site.

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How to Find the Color Code of Any Image

Practical methods to identify the HEX, RGB and HSL code of any color — online, in Canva, in Chrome and on your phone.

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Color Theory: Complete Guide for Design and Art

Color wheel, primary colors, complementary, analogous and monochromatic harmonies — everything to build professional palettes.

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The Psychology of Color in Marketing and Branding

How each color influences purchase decisions and brand perception. A guide with examples from big companies and how to apply it to your business.

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How to Turn a Photo Into a Drawing: Effects and When to Use Them

Pencil, charcoal, watercolor, cartoon, neon and more — learn each effect, how it works, and which to choose for each project.

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How to Reduce an Image From MB to KB Without Losing Quality

Practical methods to reduce the size of any image — online, on mobile, on Windows and on Mac.

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How to Optimize Images for Your Site and Improve PageSpeed

Formats, compression, dimensions, lazy loading and srcset — everything that affects site speed and Google rankings.

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Image SEO: 12 Practical Tips for More Organic Traffic

Alt text, file naming, sitemaps, structured data and lazy loading — what really impacts image rankings on Google.

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Image Size for Websites: The Ideal Resolution and File Weight

A complete table with ideal dimensions and file sizes by image type — banner, product, blog, logo, thumbnail and more.

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Images for E-commerce: Complete Guide to Size, Background and Quality

Image specifications and best practices for Mercado Livre, Shopee, Amazon and TikTok Shop.

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How to Create a YouTube Thumbnail That Gets More Clicks — Advanced Guide

Visual psychology, CTR, 7 principles of effective thumbnails, colors by niche, and how to test before publishing.

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Background removal

How to Remove the White Background From an Image: Logo, Product & Signature

Practical methods to remove the white background from logos, product photos and scanned signatures.

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Transparent PNG: What It Is and How to Create a Transparent Background

What the alpha channel is, how transparency works in PNG, and three methods to create a transparent background on any image.

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The Ultimate Guide to Image Formats: PNG, JPG, WebP, AVIF & SVG

How each format works under the hood, when to use each one, and the right choice for every situation.

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PNG vs JPG: What's the Difference and When to Use Each

Lossy vs lossless, transparency, artifacts and file size — a direct comparison between the two most-used formats.

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JPG vs WebP: What's the Difference and Why Switch

Why WebP is 25–35% smaller than JPG, when JPG is still worth using, and how to switch without compatibility issues.

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PNG vs WebP: Which to Use for Logos, Icons & Transparent Images

Both support an alpha channel — but WebP produces smaller files. When PNG is still the safer choice.

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SVG vs PNG: Which to Use for Logos and Icons

Vector vs raster: why SVG is superior for website logos and when PNG is still indispensable.

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How to Convert an Image to WebP (and Why You Should)

Online, WordPress, command line and Node.js — every conversion method to WebP, with fallback for older browsers.

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What Is DPI and What Resolution to Use for Print and Web

The difference between DPI and PPI, why 72 DPI exists, pixel calculations for printing, and what Retina screens have to do with it.

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What Is Image Resolution: Pixels, PPI and DPI Explained

What a pixel is, how PPI and DPI relate, what megapixels are, and how to calculate the right resolution for each use.

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How to Improve Image Quality Without Expensive Software

The right format, smart compression, resizing and WebP — four ways to improve the perceived quality of your images.

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What Is Visual Identity and How to Build Yours From Scratch

The six fundamental elements of visual identity, how to create each one, and the most common mistakes new brands make.

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How to Create a Visual Identity for Small Businesses

A practical guide to creating a logo, color palette and professional visual identity without hiring an agency.

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How to Make a Professional Logo for Free (Without Being a Designer)

A step-by-step guide to creating a logo that actually works — manually or with AI, no Photoshop or technical skills needed.

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Logo Size: Dimensions for Website, Social Media & Print

A complete table of logo dimensions and formats for every platform — Instagram, LinkedIn, WhatsApp, print and more.

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Logo Fonts: How to Choose the Right Typography for Your Brand

What each typographic style communicates, combinations that work, and the best free fonts by brand profile.

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How to Create a WhatsApp Sticker With Your Photo

Cartoon effect, direct cutout or drawing — a step-by-step guide to creating custom WhatsApp stickers for free.

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LinkedIn Photo: Complete Guide to a Professional Profile Picture

Lighting, framing, the ideal background, and the exact technical specs for a profile photo, cover and company page.

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What Is Image EXIF Metadata

Understand what EXIF metadata is, what data is hidden in your photos — including GPS — and why you should remove it before sharing.

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Image Copyright: What You Need to Know

How Brazil's Law 9.610/98 works, Creative Commons licenses, public domain, and what to do when your photos are used without permission.

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How to Create a Wi-Fi QR Code to Share Your Password

Generate a QR code that connects automatically to Wi-Fi — no password typing needed. Ideal for home, office, cafés and businesses.

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How to Create a QR Code for WhatsApp and Social Media

Turn any profile — WhatsApp, Instagram, TikTok or LinkedIn — into a QR code for business cards and printed materials.

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How to Create a PIX QR Code to Receive Payments

Generate a QR code with your PIX key for charges, donations and payments — free, no app, no sign-up.

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How to Add a Watermark to Images — Full Guide

Text or logo, where to position it, what opacity to use, and how to apply it in batch to protect photos and digital artwork.

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