10 Best Free Online Image Editors: Comprehensive Comparison for 2026
Honest roundup of the best free online image editors. Features, limits, pricing, and privacy compared for Photopea, Canva, Pixlr, GIMP, Squoosh, and Vizua.
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Guides, tutorials, and tips on image compression, conversion, and optimization.
Compress Images Without Losing Quality: Techniques and Best Practices
Practical starting points for JPEG, PNG, WebP and AVIF compression. Compare outputs, avoid generation loss, and choose a format for the job.
How to Convert HEIC to JPG on Any Device: Step-by-Step Guide
Convert supported HEIC files to JPG in a browser or with current Windows, macOS and iPhone workflows. Includes compatibility, quality and metadata checks.
EXIF Data Explained: What Your Photos Reveal About Your Privacy
Photos can contain location, device and capture details in EXIF metadata. Learn what may be exposed, how sharing changes it and how to check it.
How to Create a GIF from Images: Complete Step-by-Step Tutorial
Step-by-step guide to creating GIFs from images. Choose frames, set timing, optimize file size, and export for Twitter, Discord, Slack, and more.
A Practical Guide to Image File Sizes and Formats for the Web
Build image performance budgets by role, dimensions, format and audience. Includes adaptable starting ranges, responsive-image guidance and measurement tips.
JPEG vs PNG: When to Use Each Format
Compare JPEG and PNG compression, transparency, editing behavior, file-size tradeoffs, and modern alternatives for photos and graphics.
Image Compression Explained: Lossy vs Lossless and When to Use Each
Learn how lossy and lossless image compression differ, what generation loss means, how formats expose each mode, and how to test an output.
How to Optimize Images for Your Website: A Practical Guide
Step-by-step image optimization guide: choose formats, generate responsive sizes, tune compression, prioritize the LCP image, and measure field results.
How to Protect Your Privacy When Editing Images Online
Practical privacy checklist for photos: inspect metadata, review visible clues, redact carefully, verify the final file, and understand the sharing path.
How to Remove the Background from Product Photos for Free Online
Learn how to remove backgrounds from product photos for Amazon, Shopify, and eBay. Free, browser-based, no sign-up needed.
Social Media Image Sizes: Starting Canvases and Crop Checks
Practical image-size starting points for Instagram, Facebook, X, LinkedIn, YouTube, Pinterest, TikTok, and Telegram, with crop checks.
SVG vs PNG Compared: When to Use Vector vs Raster Image Formats
Compare SVG vector markup with PNG raster pixels by scaling, security, accessibility, cache behavior, file size, and image content.
Vizua vs iLoveIMG: Comparing Free Online Image Editing Tools in 2026
Honest comparison of Vizua and iLoveIMG. Privacy, features, limits, and pricing — we show where each tool does better.
Vizua vs Squoosh: Controls, Batch Workflow, and Privacy
Vizua and Squoosh both compress images in your browser. We compare tools, codecs, batch support, UX, and formats to help you pick the right one.
Vizua vs TinyPNG: Which Image Compressor Fits Your Workflow?
Compare Vizua and TinyPNG for formats, controls, limits, automation, and file handling. Facts checked against the products on July 17, 2026.
WebP vs AVIF: How to Choose and Test the Right Image Format
Compare WebP and AVIF by compression behavior, encoding cost, color features, compatibility and fallback strategy—without assuming one wins every file.
What Is HEIC? A Complete Guide to Apple's Image Format
Learn how HEIC relates to HEIF and HEVC, why compatible Apple devices use it, where support varies, and how to inspect or convert a file safely.
What Is WebP? The Modern Image Format Explained and Why It Matters
Learn how WebP supports lossy and lossless coding, transparency and animation; how Google benchmarked it; and when compatibility favors another format.
Why Some Online Image Tools Upload Photos — and How to Check
Learn why some image tools use server processing, how to inspect a file workflow, what local processing changes, and which privacy questions to ask.
Guides for practical image decisions
This library contains 20 guides about image formats, compression, privacy, web optimization, social-media sizes, GIF workflows and comparisons between online image tools.
Each article connects the explanation to relevant Vizua tools and related reading, so you can move from understanding a format or risk to completing the task.
How to use the library
Choose a guide by the decision you need to make, check its publication and update context, follow the linked primary evidence where provided and test the recommendation with a copy of your own file.
Scope and updates
Technical support, platform dimensions, product limits and provider policies can change. Vizua dates its guides, keeps the English article as the canonical source and publishes the same complete structure in every supported language.