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Last updated: January 1, 2026

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Last updated: January 1, 2026

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How to Compress Images Without Losing Quality

By PixCrunch Team · 5 min read

Image compression is one of the most important skills for anyone who works with photos online. Whether you are a blogger, a web developer, or just someone who shares pictures on social media, understanding how to compress images properly can save you significant time, storage space, and bandwidth — without making your photos look worse.

What Actually Happens When You Compress an Image

When you compress a JPEG image, you are telling the encoder to discard certain fine details that the human eye struggles to notice. The encoder groups pixels into blocks and simplifies the color information within each block. At high quality settings, this simplification is nearly invisible. At low quality settings, you start to see blocky artifacts and color banding.

PNG compression works differently — it is lossless by default, meaning no data is thrown away. Instead, it uses mathematical patterns to represent repeated sequences of pixels more efficiently. This is why PNG files are larger than JPEGs for photographs, but ideal for graphics with flat colors and sharp edges like logos and screenshots.

WebP is a newer format developed by Google that achieves better compression than both JPEG and PNG. A WebP image at 80% quality is typically 25 to 35% smaller than an equivalent JPEG with no visible difference in quality.

The Best Quality Settings for Different Use Cases

After testing hundreds of images, here are the quality settings that consistently deliver the best balance of file size and visual quality.

For websites and blogs: Set quality to 75 to 82%. At this range, images are visually identical to the original but typically 60 to 80% smaller in file size. Most visitors will never notice the difference, and your pages will load significantly faster.

For social media: Use 80 to 85% quality. Social platforms recompress your images when you upload them anyway, so starting at a slightly higher quality gives the platform's compressor better material to work with.

For print preparation: Use 90% or higher. Print requires fine detail that screen viewing does not, so compression should be minimal.

For email attachments: 70 to 75% is usually sufficient. The goal is to keep the file under 1MB so it does not clog recipients' inboxes.

Lossy vs Lossless Compression

Lossy compression permanently removes data from your image to make it smaller. JPEG is the most common lossy format. Once you save a JPEG at a low quality setting, the discarded data is gone forever. This is why you should always keep your original files and only compress copies.

Lossless compression reduces file size without removing any data. PNG uses lossless compression, which is why it is preferred for images that need to remain pixel-perfect, such as screenshots, interface designs, and artwork with transparent backgrounds.

How to Compress an Image in Your Browser

You do not need to download any software to compress images effectively. PixCrunch's free compressor runs entirely in your browser, which means your images never leave your device. Here is how to use it.

Open the Compress tool and drop your image into the upload area. Set the quality slider to 80% as a starting point and choose your output format. JPEG works best for photographs, WebP is the best choice for web use, and PNG is best for graphics and screenshots. The tool shows you a live comparison of the original and compressed file size so you can adjust the quality until you are happy with the result.

A good rule of thumb is to aim for a compressed file that is less than 200KB for blog images and less than 1MB for high-resolution portfolio images. If your image is still larger than you need at 80% quality, try switching to WebP, which typically cuts the file size by an additional 25 to 35% compared to JPEG.

Common Mistakes to Avoid

The most common mistake is compressing an image multiple times. Every time you open a JPEG, edit it, and save it again, the compression runs again and quality degrades further. Always start from your original uncompressed file.

Another mistake is using PNG for photographs. PNG is lossless so it never degrades in quality, but photographic images saved as PNG are often five to ten times larger than the equivalent JPEG. Unless you need transparency, use JPEG or WebP for photos.

Finally, do not over-compress. Setting quality to 50% or below will produce visible artifacts that make your images look unprofessional. The goal is the highest quality setting that still meets your file size target, not the lowest quality you can get away with.

Try the Free Image Compressor →

JPEG vs PNG vs WebP — Which Format Should You Use?

By PixCrunch Team · 6 min read

Choosing the right image format is one of the simplest ways to reduce your website's load time, save storage space, and improve the quality of your images. Yet most people just use whatever format their camera or screenshot tool produces by default. Here is a practical guide to knowing exactly when to use JPEG, PNG, and WebP.

JPEG — Best for Photographs

JPEG (also written JPG) has been the standard format for photographs since the 1990s, and it remains excellent for this purpose. It uses lossy compression that is specifically designed for the continuous color gradients found in real-world photos. At 80% quality, a JPEG photograph is visually identical to the original but typically 70 to 85% smaller in file size.

Use JPEG when you are working with photographs, product images, travel photos, or any image with complex color gradients and natural scenes. Avoid JPEG for text, logos, icons, and screenshots — the compression artifacts become very visible on sharp edges and flat colors.

PNG — Best for Graphics and Transparency

PNG uses lossless compression, which means no quality is lost when you save the file. This makes it the ideal choice for any image that needs to stay pixel-perfect. PNG also supports full transparency, which JPEG does not.

Use PNG for logos, icons, illustrations, screenshots, interface designs, and any image where you need a transparent background. The trade-off is file size — a photographic image saved as PNG is typically five to ten times larger than the same image saved as JPEG.

A common use case is saving a company logo with a transparent background. If you saved this as JPEG, you would get a white rectangle behind the logo instead of transparency. PNG preserves the transparent areas perfectly.

WebP — Best for Web Use

WebP was developed by Google specifically for the web. It supports both lossy and lossless compression, and achieves significantly better results than either JPEG or PNG. A WebP image typically achieves 25 to 35% better compression than JPEG at equivalent quality, and 25 to 45% better compression than PNG for lossless images.

WebP also supports transparency like PNG, making it a versatile choice for almost any web use case. All modern browsers now support WebP, including Chrome, Firefox, Safari, and Edge.

Use WebP whenever you are optimizing images for a website or web application. If you are unsure, WebP is almost always the best choice for web use.

Quick Reference Guide

Photograph for a website: WebP at 80% quality (best) or JPEG at 80% quality (safe fallback)

Logo with transparency: WebP lossless or PNG

Screenshot of text or UI: PNG (lossless, sharp edges preserved)

Product photo for e-commerce: WebP at 85% quality

Social media post: JPEG at 85% quality (platforms recompress anyway)

Email attachment: JPEG at 75% quality (keeps file size small)

What About GIF and SVG?

GIF is an older format best known for short animations. It only supports 256 colors, which limits quality for photographs, but works well for simple animations. For animated content on the web, short video formats like MP4 are generally more efficient, but GIF remains universally supported and easy to share.

SVG is a vector format, not a raster format. Unlike JPEG, PNG, and WebP which store pixels, SVG stores mathematical instructions for drawing shapes. SVG files are tiny and scale perfectly to any size, making them ideal for logos, icons, and illustrations. They cannot be used for photographs.

Convert Image Format Free →

What is EXIF Data and Why You Should Remove It Before Sharing Photos

By PixCrunch Team · 4 min read

Every photo you take with a smartphone or digital camera contains a hidden layer of data that most people never see. This data, called EXIF data, records detailed information about how, when, and where the photo was taken. Before you share photos publicly online, it is worth understanding exactly what this data contains and whether you want strangers to have access to it.

What EXIF Data Contains

EXIF stands for Exchangeable Image File Format. It is a standard that embeds metadata directly into image files. The specific data recorded depends on your device, but typically includes the following.

GPS coordinates: If your phone's location services are enabled, EXIF data records the exact latitude and longitude where the photo was taken. This can be accurate to within a few meters. A photo taken at your home contains your home address in the metadata.

Timestamp: The exact date and time the photo was taken, often including the timezone.

Device information: The make and model of your camera or smartphone, and sometimes the serial number.

Camera settings: Aperture, shutter speed, ISO, focal length, and whether flash was used.

Software: The editing software used and sometimes the version number.

Why This Matters for Privacy

The GPS data embedded in photos is the most significant privacy concern. If you share a photo taken at your home and the EXIF data is intact, anyone who receives the file can extract your exact home address. This applies to photos shared by email, uploaded to websites, or sent through messaging apps.

Some platforms like Instagram and Facebook strip EXIF data when you upload photos. But many platforms, file sharing services, and email clients do not. If you are sharing photos via direct download links, sending them as email attachments, or uploading them to personal websites or portfolios, the EXIF data is likely still present.

For journalists, activists, abuse survivors, or anyone whose physical location could put them at risk, stripping EXIF data before sharing photos is an important security practice.

How to Check if a Photo Contains EXIF Data

On Windows, right-click any image file, select Properties, and click the Details tab. You will see any EXIF data the file contains, including GPS coordinates if they were recorded.

On Mac, open the image in Preview, then go to Tools and select Show Inspector. Click the information icon to see the EXIF data.

You can also use online tools or the PixCrunch Strip EXIF tool to view and remove metadata directly in your browser without uploading your files to any server.

How to Remove EXIF Data

Removing EXIF data is simple and takes only a few seconds. PixCrunch's Strip EXIF tool processes your image entirely in your browser — your original file never leaves your device. Drop your image into the tool, and it produces a clean copy with all metadata removed. The image quality is unchanged.

If you take photos professionally or regularly share images publicly, stripping EXIF data should become a standard part of your workflow before posting anything online.

Strip EXIF Data Free →

The Complete Image Size Guide for Social Media in 2026

By PixCrunch Team · 5 min read

Every social media platform has its own preferred image dimensions. Uploading an image at the wrong size results in awkward cropping, blurry stretching, or important parts of your image being cut off. This guide covers the exact pixel dimensions you need for every major platform in 2026.

Instagram

Square post: 1080 x 1080 pixels — the classic Instagram format, works well for portraits, products, and bold graphics.

Portrait post: 1080 x 1350 pixels — takes up more vertical space in the feed and tends to get better engagement because it dominates more of the screen.

Landscape post: 1080 x 566 pixels — used for wide scenes and panoramic shots.

Story and Reel: 1080 x 1920 pixels — full-screen vertical format. Keep important content in the center third to avoid UI elements covering the edges.

Profile photo: 320 x 320 pixels minimum, displayed as a circle.

YouTube

Thumbnail: 1280 x 720 pixels — this is the most important image on YouTube. Use high contrast, large readable text, and expressive faces. YouTube recommends keeping file size under 2MB.

Channel art / banner: 2560 x 1440 pixels — this displays differently across devices. Keep logos and text within the center 1546 x 423 pixel safe area to ensure visibility on all screen sizes.

Profile photo: 800 x 800 pixels, displayed as a circle.

Twitter / X

In-feed image: 1600 x 900 pixels — Twitter crops images to a 16:9 ratio in the feed preview. A single image post shows a 2:1 crop, so center your subject.

Header / banner: 1500 x 500 pixels — displayed at the top of your profile. Avoid placing important content near the edges as it gets cropped on mobile.

Profile photo: 400 x 400 pixels, displayed as a circle.

LinkedIn

Post image: 1200 x 627 pixels for landscape. Square images at 1200 x 1200 also work well.

Company page banner: 1128 x 191 pixels.

Personal profile banner: 1584 x 396 pixels.

Profile photo: 400 x 400 pixels minimum.

Facebook

Post image: 1200 x 630 pixels for shared links and standard posts.

Cover photo: 820 x 312 pixels on desktop, 640 x 360 pixels on mobile. Design for mobile first since most users access Facebook on phones.

Profile photo: 180 x 180 pixels minimum, displayed as a circle.

Pinterest

Standard pin: 1000 x 1500 pixels — Pinterest strongly favors vertical images with a 2:3 ratio. Pins that are too long (taller than a 1:2.1 ratio) get cut off in feeds.

Square pin: 1000 x 1000 pixels.

Tips for All Platforms

Always design at double the required pixel dimensions if you are working in a design tool, then export at the target size. This ensures sharpness on high-density displays.

Use JPEG at 85% quality for photographs and WebP where supported. Most platforms recompress your images when you upload them, so starting with higher quality gives the platform's compressor better source material.

Keep file sizes reasonable. Most platforms have upload limits between 5MB and 30MB, but large files slow down the upload process. Aim for under 2MB for most social media images.

Resize for Social Media Free →

How to Convert a PDF to PNG for Free (Without Software)

By PixCrunch Team · 4 min read

Converting a PDF page to a PNG image is useful in many situations. You might want to share a single page from a document without sending the whole PDF, extract a diagram or chart from a report, use a PDF slide as a social media image, or simply view a PDF on a device that does not have a PDF reader installed. Whatever the reason, you do not need to install any software to do it.

Why Convert PDF to PNG Instead of Taking a Screenshot

The most obvious way to capture a PDF page as an image is to take a screenshot. But screenshots have significant limitations. On a standard laptop display, a screenshot captures your PDF at screen resolution — typically 72 to 96 pixels per inch. This produces blurry images when printed or displayed at larger sizes.

A proper PDF to PNG conversion renders the PDF at full resolution, producing sharp, high-quality images that look professional at any size. PixCrunch renders PDF pages at 2x resolution (equivalent to 144 to 192 pixels per inch) which produces much sharper output than a screenshot.

How PDF to PNG Conversion Works in a Browser

Modern browsers can render PDF files using JavaScript libraries. PixCrunch uses PDF.js, an open-source library developed by Mozilla, the organization behind Firefox. PDF.js parses the PDF file format and renders each page onto an HTML canvas element at the specified resolution.

The canvas is then exported as a PNG image. This entire process happens inside your browser — the PDF file is never sent to any server. This is important for sensitive documents like contracts, financial statements, or personal records.

Step by Step — How to Convert a PDF to PNG Using PixCrunch

Open the PDF to PNG tool on PixCrunch. Click the upload button or drag your PDF file directly onto the upload area. The tool will render a preview of each page as a PNG thumbnail so you can see what you are getting before you download.

Free users can convert the first three pages of any PDF. Pro users can convert all pages in a single PDF, which is useful for longer documents like reports and presentations.

Once the pages are rendered, click the download button to save all pages as individual PNG files. Each file is named with the page number so they stay organised.

What Types of PDFs Work Best

Most standard PDFs convert cleanly to PNG. Text documents, presentations, reports, and forms all convert well. PDFs that contain high-resolution images will produce large PNG files — this is normal since PNG is lossless and preserves all the detail.

Password-protected PDFs cannot be converted without first unlocking them. If your PDF is password protected, you will need to remove the password protection first using your PDF reader software.

Very old or non-standard PDF files occasionally have rendering issues. If your PDF does not convert correctly, try opening it in a PDF reader first, then printing it to a new PDF file — this re-saves it in a standard format that converts reliably.

Other Ways to Use PDF to PNG Conversion

Converting PDFs to images is useful beyond just viewing. Developers use it to generate page previews for document management systems. Marketers extract slides from PDF presentations to share on social media. Teachers extract diagrams from PDF textbooks for presentations. Designers convert PDF mockups into images for client review platforms that do not support PDF uploads.

Whatever your use case, browser-based conversion is the fastest and most private approach since nothing leaves your device.

Convert PDF to PNG Free →