How to Compress Images Without Losing Quality (2026 Guide)
Learn the best techniques to reduce image file size while preserving visual quality for web and mobile.
PixlTools Blog
Practical guides on image compression, format conversion, resizing, and web performance — written by developers and designers who work with images every day.
The PixlTools blog covers everything you need to know about working with images on the web and beyond. Whether you're a developer trying to improve your Google PageSpeed score, a photographer preparing images for a client gallery, or a social media manager making sure your posts look sharp on every platform — you'll find practical, actionable advice here. Every article is tested and written by people who use these tools daily.
Topics covered include: image compression techniques, choosing between JPG vs PNG vs WebP, understanding DPI and resolution for print and screen, resizing images for social media platforms, Core Web Vitals optimisation, background removal workflows, AI upscaling, and much more. All guides are updated regularly to keep pace with changing platform requirements and new tools.
Learn the best techniques to reduce image file size while preserving visual quality for web and mobile.
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Need to reduce a photo to under 200KB, 100KB, or 50KB? Here's exactly how to do it online for free.
Convert any JPG, PNG, or WEBP image to a PDF document in seconds. No software, no signup, completely free.
Make images smaller in 3 ways: reduce file size, shrink dimensions, or both. All free, all online, no software needed.
Crop any photo to a custom size, aspect ratio, or preset dimensions instantly. Free, no login, works on any device.
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DPI explained in plain language — what it means for print vs web, how to check your image's DPI, and how to change it.
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We tested TinyPNG, Squoosh, iLoveIMG, and PixlTools on the same image. Here are the real compression results, pros, cons, and when to use each.
Reduce image file sizes on your phone without downloading any app. Works on iPhone, Android, and all mobile browsers.
Convert any PNG image to JPG in seconds — free, online, no signup. Includes tips on when to convert and when not to.
Resize photos to any dimension without Photoshop or any software. Works on Windows, Mac, iPhone, and Android.
AVIF and WebP are both modern image formats that outperform JPEG and PNG. Here's which one to use and when.
iPhone photos save as HEIC by default, but most apps and websites need JPG. Here's how to convert HEIC to JPG on any device — for free.
WhatsApp compresses photos automatically, causing quality loss. Here's how to send high-quality images without WhatsApp degrading them.
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Need an image under 20KB for a form, job portal, or government website? Here's the fastest way to hit that file size limit without destroying quality.
Email providers limit attachments to 10–25MB. Here's how to compress photos before attaching them so they send faster and actually get delivered.
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The right image dimensions and file size for WordPress can cut your page load time in half. Here's the complete guide with recommended sizes for every image type.
Most passport and visa portals accept images under 100KB or 200KB. Here's how to compress your photo to the exact file size required — free, online, no software.
Need to get a photo under 50KB for a job application, government portal, or email? Here's the exact process — no software, works on phone and desktop.
iPhone photos are saved as HEIC, but Windows 11 can't open them without extra steps. Here are 3 free methods to convert HEIC to JPG on Windows 11 — no paid software needed.
Convert WebP images to JPG in seconds — free online tool, no account needed. Works on Windows, Mac, iPhone and Android. Preserves quality, no watermarks.
LinkedIn has strict image size requirements that most people ignore — resulting in blurry profiles and slow-loading posts. Here are the exact specs and how to fix your images free.