Resize, Crop & Compress Images: Guides

Most upload errors come down to dimensions or file size. These guides cover exact pixel sizes for every major platform, cropping to square, circle and print ratios, and compressing JPG and PNG to 50 KB, 100 KB or 200 KB without visible loss.

51 guides

• 6 Best Free TinyPNG Alternatives to Compress Images (2026)
  TinyPNG caps file count and size on its free tool. Here are free alternatives that compress without the limits.
  7 min read
• YouTube Banner Size Guide (Perfect Channel Art in 2026)
  YouTube shows your banner differently on phone, desktop and TV. Here's the correct size, the safe area, and how to crop it right.
  10 min read
• How to Compress an Image to 100KB (Exactly, Free)
  Lots of forms cap uploads at 100KB. Here's how to compress an image to exactly 100KB — without guessing at a quality slider.
  10 min read
• How to Crop a Photo into a Circle (Free, with Transparent Background)
  Circle crops are everywhere — profile pictures, avatars, logos. Here's how to crop any photo into a clean circle with a transparent background, free.
  10 min read
• Best Image Sizes for Social Media in 2026 (Every Platform)
  Posting the wrong size means awkward crops and blurry uploads. Here are the ideal image dimensions for every major platform — and how to crop to them free.
  10 min read
• How to Compress an Image for Email (So It Actually Sends)
  Most email providers cap attachments around 20–25 MB, but big photos still slow inboxes and get flagged. Here's how to compress images for email properly.
  10 min read
• Instagram Profile Picture Size (and How to Crop One Perfectly)
  Instagram displays your profile picture as a circle from a 320×320 square. Here's the right size and how to crop one that looks sharp and centred.
  10 min read
• How to Make an Image Smaller (File Size or Dimensions)
  "Make it smaller" can mean two things — fewer KB or fewer pixels. Here's how to do both, free, and when to use each.
  10 min read
• How to Reduce Image Size in KB Without Losing Quality
  A photo straight from your phone is often 3–8 MB — far too big for forms and uploads. Here's how to shrink it to an exact KB target while keeping it sharp.
  10 min read
• How to Resize an Image (Exact Pixels or Percent, Free)
  Resizing an image to exact dimensions is the fix for slow pages, upload limits and off-spec profile photos. Here's how to do it right.
  10 min read
• YouTube Thumbnail Size and How to Crop the Perfect One
  The right thumbnail can double your clicks. Here's the correct YouTube thumbnail size and how to crop any image to a perfect 16:9 for free.
  10 min read
• How to Compress a PNG Without Losing Quality
  PNGs are lossless but can be huge. Here's how to compress a PNG so it loads fast — while keeping graphics crisp and transparency intact.
  10 min read
• How to Make a Perfect Profile Picture (Right Size & Crop)
  A good profile picture is well-cropped, well-sized, and centred on your face. Here's how to make one that looks sharp on every platform, free.
  10 min read
• How to Optimize Images for Your Website (Faster Loading, Better SEO)
  Big images are the #1 cause of slow websites. Here's how to optimize your images — size, format and compression — so pages load fast and rank better.
  10 min read
• Passport Photo Size Guide (and How to Crop One at Home)
  Passport and ID photos follow strict size and framing rules. Here's a clear guide to the common sizes and how to crop your own photo to the right shape.
  10 min read
• How to Compress a JPEG to 200KB (Without It Looking Bad)
  200KB is the sweet spot for fast web images and most upload forms. Here's how to compress a JPEG to exactly 200KB while keeping it sharp.
  10 min read
• How to Resize an Image to 1080×1080 (Free, Exact Pixels)
  1080×1080 is the size Instagram wants for a feed post. Here's how to hit it exactly, for free, without stretching your photo.
  5 min read
• Resize an Image for a YouTube Thumbnail (1280×720, Free)
  YouTube wants 1280×720 and under 2 MB. Here's how to hit both, free, in a browser tab.
  5 min read
• How to Resize an Image Without Losing Quality (Free)
  Resizing down is nearly free of quality loss. Resizing up is where images fall apart — and there's a different tool for that.
  6 min read
• Resize a Photo to Passport Size (Free, Exact Pixels)
  Passport and visa portals want an exact pixel size and often an exact file size. Here's how to hit both for free.
  5 min read
• Resize a Profile Picture to the Exact Size (Free)
  Every platform has a different profile picture size, and uploading the wrong one is why your face ends up cropped at the chin.
  5 min read
• Resize an Image for an Email Signature (Free)
  A 4 MB logo in your signature goes out with every email you send. Here's the size it should actually be.
  4 min read
• How to Compress an Image to 200 KB (Free)
  200 KB is the limit on a surprising number of forms. Here's how to land just under it without wrecking the photo.
  4 min read
• Compress Images for a Faster Website (Free)
  On most sites, images are the majority of the page weight — and the easiest thing to fix.
  6 min read
• Compress a Photo for WhatsApp Without Losing Quality
  WhatsApp compresses whatever you send. Compressing it yourself first means you choose what gets lost.
  4 min read
• How to Compress a PNG (and When to Use JPG Instead)
  A PNG photograph is usually the wrong format, not just a big file — and that's why compressing it barely helps.
  5 min read
• How to Make a Circle Profile Picture (Free, Transparent PNG)
  A genuinely round PNG, not a square with a circle drawn on it — which is the difference between a clean avatar and a white box.
  4 min read
• Crop a Photo for a LinkedIn Banner (Free)
  A LinkedIn banner is unusually wide, and your profile photo sits on top of the left side of it. Crop accordingly.
  4 min read
• Crop an Image for a Facebook Cover Photo (Free)
  Facebook shows a different slice of your cover photo on phones than on desktop. Design for the overlap.
  4 min read
• How to Crop a Photo to a Perfect Square (Free)
  Cropping to a square keeps your photo's proportions. Resizing to a square squashes them. People mix these up constantly.
  4 min read
• How to Compress Images for a Website (Faster Pages, Free)
  Images are the #1 cause of slow websites. Here's how to compress them for fast pages and better SEO — free.
  8 min read
• How to Reduce JPEG File Size (Free, Keep It Sharp)
  Big JPEGs slow uploads and hit limits. Here's how to reduce JPEG file size while keeping photos sharp — free.
  8 min read
• How to Watermark Multiple Photos at Once (Free, Bulk)
  Watermarking photos one by one is painful. Here's how to watermark a whole set at once, free.
  8 min read
• How to Bulk Edit Photos (Resize, Compress, Convert & More)
  Editing photos one by one doesn't scale. Here's how to bulk edit a whole folder in one pass, free.
  8 min read
• How to Compress an Image to 500KB (Free, No Quality Loss)
  500KB is a generous limit that keeps photos sharp. Here's how to compress an image to under 500KB, free.
  8 min read
• How to Compress a PNG File (Smaller Without Losing Quality)
  PNGs are lossless and often huge. Here's how to compress a PNG while keeping transparency and crisp edges — free.
  8 min read
• How to Compress Multiple Images at Once (Free, Bulk)
  Compressing photos one by one wastes time. Here's how to bulk-compress many images at once, free.
  8 min read
• How to Convert Multiple Images at Once (Free, Bulk)
  Converting images one by one is slow. Here's how to bulk-convert a whole folder to JPG, PNG or WebP, free.
  8 min read
• How to Compress an Image to 50KB (Exactly, Free)
  Some forms cap uploads at 50KB. Here's how to compress an image to exactly 50KB without it turning to mush.
  8 min read
• How to Crop a Photo to 4x6 (Print-Ready, Free)
  Camera photos aren't 4x6-shaped, so prints get cropped. Here's how to crop to 4x6 yourself for clean prints — free.
  8 min read
• How to Resize Multiple Images at Once (Free, Bulk)
  Resizing photos one by one is a chore. Here's how to bulk-resize many images at once, free.
  8 min read
• Facebook Cover Photo Size Guide (Perfect Fit in 2026)
  Facebook shows your cover differently on mobile and desktop. Here's the right size, the safe zone, and how to crop it — free.
  8 min read
• LinkedIn Banner Size Guide (Profile & Company, 2026)
  LinkedIn crops your banner and overlays your photo. Here's the right size, the safe area, and how to crop it — free.
  8 min read
• How to Crop a Photo to a Square (1:1, Free)
  Square (1:1) crops are everywhere — Instagram, avatars, thumbnails. Here's how to crop a photo to a perfect square, free.
  8 min read
• How to Crop a Screenshot (Trim the Clutter, Free)
  Screenshots capture more than you need. Here's how to crop one down to just the important part, free.
  8 min read
• How to Reduce Photo Size for WhatsApp (Send Full Quality)
  WhatsApp compresses your photos hard. Reduce the size yourself first and you control the quality — here's how, free.
  10 min read
• How to Resize an Image for Instagram (All Sizes 2026)
  Instagram crops images that aren't the right shape. Here's every Instagram size and how to resize your photo to fit perfectly.
  10 min read
• How to Make a Round Profile Picture for Free
  Want a perfectly round profile pic? Here's how to circle-crop any photo for free, with a transparent background so it looks clean anywhere.
  4 min read
• How to Crop a Photo for Instagram (Free, Every Size)
  Instagram silently crops your photos — often badly. Here's how to crop them yourself to the exact right size, free, so nothing important gets chopped.
  5 min read
• How to Compress a Photo for Email (Free)
  Attachment limits are the silent killer of email. Here's how to shrink photos so they actually send — free, and still sharp enough to look good.
  5 min read
• How to Compress an Image to 100 KB (Free, No Quality Loss)
  Job portals and government forms love a hard size limit. Here's how to compress any photo down to 100 KB — or any target — for free, without it turning to mush.
  5 min read