Crop Image to Aspect Ratio
Crop to 16:9, 4:3, 3:2, 9:16, or 1:1 — perfect for YouTube, presentations, and social media. Free, private, 100% in your browser
Drop image here or click to upload
JPG, PNG, WebP, HEIC — max 20MB
You can also paste an image (Ctrl+V)
What Is Aspect Ratio?
Aspect ratio is the proportional relationship between an image's width and height, expressed as W:H. A 16:9 image is 16 units wide for every 9 units tall — the standard for widescreen video and YouTube. A 4:3 image is wider than tall but less extreme than 16:9 — common for older monitors and presentations.
Cropping to a specific ratio ensures your image fills a platform's frame exactly — no black bars, no unexpected auto-cropping, and no letterboxing.
Aspect Ratio Guide by Use Case
| Ratio | Typical pixels | Best for |
|---|---|---|
| 16:9 | 1920×1080 / 1280×720 | YouTube thumbnails, presentations, blog hero images, wallpapers, video covers |
| 4:3 | 1600×1200 / 1024×768 | Older monitors, Google Slides, Facebook posts, Zoom backgrounds |
| 3:2 | 1800×1200 / 900×600 | DSLR camera output, Pinterest pins, Etsy product photos, print |
| 1:1 | 1080×1080 / 800×800 | Instagram posts, profile photos, product grids, app icons |
| 9:16 | 1080×1920 / 720×1280 | Instagram Stories, TikTok, YouTube Shorts, phone wallpapers |
Platform-Specific Aspect Ratio Requirements
YouTube thumbnail (16:9)
1280×720px minimum, 1920×1080px recommended. Must be 16:9 to fill the thumbnail slot without black bars. JPG under 2MB.
LinkedIn post (1.91:1 ≈ 16:8.4)
1200×627px is the standard. The closest preset is 16:9 (slightly taller). Crop to 16:9 and LinkedIn will display it correctly.
Facebook post (1.91:1)
1200×630px for link previews. The 16:9 preset gives you a close crop — adjust slightly if needed.
Instagram Story (9:16)
1080×1920px. The 9:16 preset crops for vertical content. Instagram fills the phone screen without cropping.
Google Slides / PowerPoint (16:9)
Most modern presentation software defaults to 16:9 (widescreen). Crop images to 16:9 before inserting to avoid scaling artifacts.
Pinterest pin (2:3)
Pinterest recommends 1000×1500px (2:3). The closest preset is 3:2 — rotate or use Free crop to achieve 2:3 portrait orientation.
How to Crop to Ratio Without Losing the Subject
- Select the ratio first — Choose your target ratio before adjusting the crop area. This locks the handles so dragging maintains the correct proportion.
- Resize from the center — Drag corner handles to scale the crop box while keeping the ratio locked. Drag inside to move the box without resizing.
- Rule of thirds — For landscape photos, place the horizon on the upper or lower third rather than the center. For portraits, place the eyes in the upper third.
- 16:9 from a portrait photo — Landscape ratios from portrait photos often lose the subject. Consider using Free crop to select just the face or subject area at 16:9 proportion.
Related Tools
- Crop image — free-form crop to any area or ratio
- Crop to square — 1:1 square crop for Instagram and profiles
- Crop to circle — circular crop with transparent PNG background
- Resize for YouTube thumbnail — resize to exactly 1280×720 after cropping
- Resize for Instagram — resize the cropped image to Instagram specs
- Compress image — reduce file size after cropping for fast uploads
Frequently Asked Questions
What aspect ratio is best for YouTube thumbnails?▼
16:9 is the YouTube standard. The recommended pixel size is 1280×720px (720p) or 1920×1080px (1080p). If your thumbnail is not 16:9, YouTube adds black bars or crops it. This tool pre-selects 16:9 to make thumbnail cropping easy.
What aspect ratio is Instagram?▼
Instagram supports three ratios: 1:1 (square, 1080×1080px), 4:5 (portrait, 1080×1350px), and 1.91:1 (landscape, 1080×566px). The 1:1 preset on this tool is perfect for square posts. For the 4:5 portrait format, use Free crop.
How do I crop a photo to 16:9 for a presentation?▼
Select the 16:9 ratio button, drag the crop box to cover the area you want to keep, and click Crop. The downloaded image fits exactly in a 16:9 presentation slide without black bars or distortion.
What is the difference between 16:9 and 4:3?▼
16:9 is wider — the ratio of modern TVs, monitors, and video. 4:3 is more square — the ratio of older monitors, standard definition TV, and many older cameras. For web and video content, 16:9 is the current standard.
Can I crop to a custom ratio not listed?▼
Yes. Select "Free" from the ratio options and drag the handles to any proportion you need. The crop box will not be constrained to a preset ratio.
Are my images uploaded to a server?▼
No. All cropping happens entirely in your browser. Your files never leave your device.