How do I maintain a specific aspect ratio when cropping?

Enable 'Aspect Ratio Lock' in the settings and enter your ratio (e.g., 16:9, 4:5, 1:1, or any custom ratio like 3:2). The crop box maintains this ratio regardless of how you drag or resize it. You can also select from platform presets — Instagram 4:5, YouTube 16:9, Square 1:1, and others — which set the correct ratio automatically. The aspect ratio table on this page shows the correct ratio for each major platform and use case. If you are unsure which ratio to use, 4:5 for portrait content and 16:9 for landscape content cover the majority of social media use cases.

Can I batch crop multiple images to the same area at once?

Yes — upload all images, set your crop ratio or pixel dimensions, and click 'Crop All'. The same crop settings are applied to all uploaded images simultaneously. For e-commerce product photos, this means 100 product images can all be cropped to 1:1 square in a single operation. All cropped images download as a ZIP file with the original filenames preserved. There is no file count limit — processing speed depends on your device rather than any server restriction. For batches over 200 images, close other browser tabs before starting to maximise available browser memory.

Does cropping reduce image quality?

No — cropping never reduces the quality of the remaining image content. Cropping simply removes pixels from the edges; the pixels that remain are unchanged. The downloaded file is the same quality as the original, just smaller in dimensions. The one scenario where output quality can decrease: if you crop to a very small area and then export at a higher pixel count than the crop area contains, the tool must upscale the result — upscaling always reduces sharpness. To avoid this, ensure your target output pixel dimensions do not exceed the pixel dimensions of your crop area. Example: if you crop a 3000×3000px image to a 600×600px area, do not request a 1200×1200px output — the upscaling will make it blurry.

What is the difference between cropping and resizing?

Cropping removes part of the image — you select which portion to keep, and the rest is discarded. The kept portion retains its original pixel density. Resizing changes the dimensions of the entire image by scaling it — all content is preserved but stretched or shrunk to the new dimensions. Use cropping when: you want a different aspect ratio, you want to remove distracting content from the edges, or you need to frame the subject differently. Use resizing when: you need a specific pixel output size without losing any content, or you need to reduce file size for upload. If you need to change both the ratio and pixel size, crop first to the correct ratio, then resize to the target pixel dimensions. For resizing without cropping, use the Bulk Image Resizer.

How do I crop an image into a circle?

Circular cropping — where the output has a transparent circle with the background removed — is handled by the dedicated Circle Image Cropper tool. This tool exports PNG files with a transparent circular area, which is the correct format for profile pictures on most platforms (the transparent corners display as the platform's background colour, creating the circular effect). This Bulk Image Cropper handles rectangular crops only. If you want a profile picture that appears circular when uploaded to Instagram or WhatsApp, crop it to 1:1 square here first (centering your face), then upload the square JPG — the platform applies the circular mask automatically. If you need the actual circular-transparent PNG file for use in designs, graphics, or profile pictures where transparency matters, use the Circle Image Cropper.

How do I crop a passport or ID photo?

US passport and visa photos require exactly 2×2 inches (51×51mm), which at 300 DPI equals 600×600px. For a compliant passport photo crop, use the dedicated 2x2 Photo Cropper rather than this general-purpose tool — the passport cropper includes a face alignment overlay that guides you to position the head correctly within the 1 to 1-3/8 inch (25–35mm) height requirement, and it outputs exactly the right dimensions for government portal upload. For other ID photo sizes (UK 35×45mm, India OCI 51×51mm, etc.), the Passport Photo Cropper supports multiple international formats. Using this general cropper for passport photos is possible but requires manual calculation of the pixel dimensions — the specialist tool is faster and avoids compliance errors.

After cropping, will my file size change?

Yes — cropping always reduces file size because there are fewer pixels in the output. The exact size reduction depends on how much of the image you remove. Cropping a 5000×4000px image to 2000×2000px (a 1:1 center crop) reduces the pixel count by 80%, which typically reduces file size by a similar proportion. However, if your source is a high-quality PNG and you output as JPG, the format change itself will have a much larger effect on file size than the crop. If you need a specific file size target (for example, under 100KB for a government portal), crop first, then use the compression tools: Compress to 100KB, Compress to 200KB, or Compress to 1MB — each finds the highest JPG quality that hits your target size.

How do I crop a photo to 4x6 for printing?

A 4x6 print has a fixed 2:3 ratio (3:2 in landscape), so any photo shot at a different ratio has to be cropped or padded before it fits the paper. In this cropper, enable Aspect Ratio Lock and set 2:3 for portrait or 3:2 for landscape, then drag the crop box to frame your subject. At 300 PPI the correct output is 1200×1800 px portrait or 1800×1200 px landscape. If you would rather keep the whole photo than trim it, use the 4x6 Photo Resizer & Cropper — it works out the pixel dimensions from the PPI you choose and offers Fill (crop to fill the frame) or Fit (keep everything, pad with a background colour), with a preview showing exactly what gets trimmed.

Bulk Image Crop — Batch Crop Multiple Images to Any Ratio, Free, No Upload

Principais recursos do Bulk Image Cropper

Batch Cropping

Apply the same crop area to hundreds of images instantly. The ultimate tool for product photography standardization and e-commerce.

Social Media Ready

Presets for Instagram (4:5, 1:1), YouTube (16:9), and WhatsApp. Avoid automatic cropping by platforms.

Passport & ID

Need a specific size? Input exact pixel dimensions (e.g., 600x600) to create passport or ID photos at home.

Social Media & General Aspect Ratio Quick Reference Guide

Platform / Use Case	Recommended Ratio	Exact Dimensions (Pixels)	Notes
Instagram Post (portrait)	4:5	1080 × 1350 px	Most reach on feed. Fills more vertical screen space.
Instagram Post (square)	1:1	1080 × 1080 px	Classic square format. Safe for all content types.
Instagram Post (landscape)	1.91:1	1080 × 566 px	Wide format. Loses reach vs portrait — use sparingly.
Instagram Story / Reels	9:16	1080 × 1920 px	Full-screen vertical. Must be this ratio.
YouTube Thumbnail	16:9	1280 × 720 px	Strictly enforced. 2MB max. Must be readable at small sizes.
YouTube Channel Art	16:9	2560 × 1440 px	Safe area 1546 × 423 px centred — keep key content inside.
Facebook Post	1.91:1	1200 × 630 px	Standard link preview ratio. Works for boosted posts.
Facebook Cover Photo	16:9	851 × 315 px	Desktop crop. Mobile shows centred 640 × 360 px.
Twitter / X Post Image	16:9	1200 × 675 px	Inline preview crop. Uncropped on click.
Twitter / X Header	3:1	1500 × 500 px	Mobile crops top/bottom — keep content centred.
LinkedIn Post	1.91:1	1200 × 628 px	Square (1:1) also accepted.
LinkedIn Banner	4:1	1584 × 396 px	Company page uses 1128 × 191 px (approx 6:1).
TikTok Video Cover	9:16	1080 × 1920 px	Same as Instagram Reels. Full-screen vertical.
Pinterest Pin	2:3	1000 × 1500 px	Tall vertical performs best. Square also works.
WhatsApp Profile Picture	1:1	640 × 640 px	Displayed as circle. Centre subject within square frame.
Print (4×6 photo)	3:2	1800 × 1200 px	Standard print ratio at 300 DPI.
Print (A4 portrait)	√2:1	2480 × 3508 px	A4 at 300 DPI. Crop before sending to print.

For Reddit specifically, the Reddit avatar compressor handles the platform's size rules.

How to Crop Images to Any Size, Ratio, or Custom Dimensions Online — Free, No Upload

Cropping and resizing are different operations with different results. Cropping removes part of the image to change its dimensions — the remaining content stays at its original resolution. Resizing changes the dimensions of the entire image by scaling it up or down. Use cropping when you need a specific aspect ratio or when you want to remove distracting edges. Use resizing when you need specific pixel dimensions without removing any content. If you need to change both the ratio and the output pixel size, crop first, then resize.

All processing is local: Your images are never uploaded to any server. Cropping runs entirely in your browser — this is important for personal photos, client images, and any file you would not want stored on a third-party platform.

Upload Your Image(s)
Drag and drop your file(s) onto the upload area, or click to browse. Supported formats: JPG, PNG, WebP, BMP, GIF. You can upload a single image for precise manual cropping, or multiple images for batch processing.
Set Your Crop Parameters
Three modes are available:
- Freehand: Drag the crop box to any position and size.
- Aspect Ratio Lock: Enter a ratio like 16:9, 4:3, or 1:1 and drag freely within that locked ratio.
- Exact Pixels: Enter a specific width and height in pixels to lock the crop box to those exact dimensions.
For social media use, refer to the platform size table to select the correct ratio for your target platform.
Apply and Download
Click Crop. For single images, the cropped file downloads immediately as JPG or PNG (your choice). For batches, all files download as a ZIP archive. Cropping does not reduce image quality — the cropped area retains the full original pixel density of your source file.

If the goal is to erase a watermark rather than crop around it, use the watermark remover.

Batch Crop Multiple Images to the Same Size — E-commerce Products, Social Media Feeds & Team Headshots

The core use case for batch cropping is consistency

when you have dozens or hundreds of images that need to match the same dimensions or aspect ratio. Manually cropping each one in Photoshop takes hours. This tool applies your crop settings to all images simultaneously.

Scenario 1 — E-commerce product photography

Online stores require product images in a consistent square format (1:1 or exact pixel dimensions like 800×800 or 1000×1000px). A batch of product photos taken at different distances and orientations needs uniform cropping before upload to Shopify, Amazon, or WooCommerce. Upload all product images, set the ratio to 1:1 and specify 1000×1000px, apply to all — done in under a minute for 100 images.

Scenario 2 — Social media content batches

A content creator preparing a week's Instagram posts needs all images cropped to 4:5 portrait ratio. A brand team preparing LinkedIn posts needs all images at 1.91:1. Upload the full batch, select the target ratio preset, apply to all. Use the platform size table above to confirm the correct ratio before processing. Note: for Instagram Reels and Stories, use 9:16 rather than 4:5.

Scenario 3 — Team member headshots and profile photos

HR teams and company websites often need all employee profile photos in a consistent square format at a specific pixel size (e.g., 400×400px for website profiles, 640×640px for WhatsApp Business). Upload all headshots, set to 1:1 at the required pixel size, and crop all to the same square frame. Enable Smart Crop to automatically detect each face and reposition the crop frame around it — this removes the need to manually adjust the crop box for each photo when subjects are positioned differently in their original shots. All photos download as a ZIP file with original filenames preserved.

Performance note for large batches

All processing uses your device's local computing power — no server queue, no wait time based on server load. A modern laptop processes 100 images in under 10 seconds. For batches over 500 images, close other browser tabs to free up memory.

Smart Crop — automatic subject detection

Enable Smart Crop mode to automatically detect the main subject — person, face, or product — and center it within the crop frame. Useful when batch-processing mixed product shots or team headshots where each subject is positioned differently in the original photo. Smart Crop eliminates the need to manually reposition the crop box for each image. To use manual control over which part of each image to keep, leave Smart Crop off and adjust the crop box individually per image.

If you need to crop into a circular shape: Circular cropping (for profile pictures that display as circles) is handled by the dedicated Circle Image Cropper, which exports PNG files with transparent backgrounds — the correct format for circle profile photos.

Crop Images by Aspect Ratio: Which Ratio to Use for Instagram, YouTube, LinkedIn, and Print

Every platform has a preferred aspect ratio for images.

Uploading a photo at the wrong ratio means the platform auto-crops it — usually in a way that cuts off faces, text, or the subject. Pre-cropping to the correct ratio before uploading gives you full control over what the viewer sees.

1:1 Square — Instagram posts, WhatsApp profile, team headshots

The square format is the most versatile and safest choice for profile images across all platforms. For Instagram, square posts take up less feed space than 4:5 portrait but more than 1.91:1 landscape. For WhatsApp and most social profile pictures, 1:1 is the only format that displays without cropping.

4:5 Portrait — Instagram feed posts (highest reach)

Portrait-format posts take up more vertical screen space on mobile feeds, which means more viewing time and typically higher engagement. The 4:5 ratio (1080×1350px) is the maximum portrait ratio Instagram allows — taller images get cropped to 4:5 automatically. If your image is taller than 4:5, crop it to 4:5 before uploading rather than letting Instagram decide what to cut.

16:9 Landscape — YouTube thumbnails, Facebook covers, presentations

The 16:9 ratio is the standard widescreen format used by video platforms, presentations, and most computer displays. YouTube thumbnails must be 16:9 at 1280×720px minimum. Facebook cover photos display at approximately 851×315px on desktop (16:9 equivalent) but crop to a different area on mobile — keep important content in the centre 640×360px zone.

9:16 Vertical — Instagram Stories, Reels, TikTok

The 9:16 ratio is 16:9 rotated — it fills the full screen of a mobile phone held vertically. Story and Reels content must be this ratio (1080×1920px) to avoid letterboxing (black bars at top and bottom). Cropping a landscape photo to 9:16 will remove most of the width — if your content is primarily horizontal, consider posting as a regular feed post instead.

3:2 — Standard photography and print

The 3:2 ratio reflects the sensor dimensions of most digital cameras. A 4×6 inch print is 3:2. Photos from most cameras are already 3:2 — cropping to 3:2 when printing is usually unnecessary unless you are composing from a larger file.

Como usar

Upload Images

Drag and drop your photos (JPG, PNG, WebP). Supports batch uploading for fast processing.

Set Crop Area

Adjust the box on the preview. Use the sidebar to lock aspect ratios (e.g., Square 1:1) or input pixels.

Crop All

Click 'Process' to apply the crop to all images. Download them individually or as a ZIP file.

Perguntas frequentes sobre Bulk Image Cropper

Select 'Exact Pixels' mode in the crop settings panel, then enter your target width and height in pixels. The crop box locks to that exact pixel ratio and you can drag it to the position you want. The downloaded file will be exactly your specified dimensions. For standard use cases: passport and ID photos typically require 600×600px (2×2 inch equivalent); e-commerce product images are commonly 800×800 or 1000×1000px; YouTube thumbnails must be 1280×720px. If you need to output a specific pixel size that is different from the cropped area size (e.g., crop to 4:5 ratio and then output at 1080×1350px), adjust the pixel dimensions after setting the ratio.

Batch Crop 100+ Images to the Same Aspect Ratio — Instantly