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WearAI

Online image resizer

Image Resizer — Resize Photos Online for Any Size

Resize a photo by pixel, by percentage, or pick a ready-made platform size — for Instagram, TikTok, YouTube, Amazon, and more.

100% Free
No Watermark
12 Platform Presets
Batch Up to 30

Drop images here

or paste, or

JPG · PNG · WebP · AVIF · HEIC · up to 20MB each · Browser-based processing

Resize Images for Every Major Platform

Built-in sizes for Instagram, TikTok, YouTube, LinkedIn, Amazon, Shopify, and more. Pick a card to open the resizer with the right dimensions ready.

Why choose us

An Image Resizer Built for Real Workflows

Three resize modes, true batch processing, and quality-first resampling — everything an online image resizer should do, without the bloat.

Three Resize Modes

Set exact pixels, scale by percentage, or pick a built-in platform preset. Switch modes at any time before resizing the batch.

True Batch Image Resizer

Queue up to 30 images at once (10 for guests). The whole batch resizes in parallel and downloads as a ZIP.

Resize Without Losing Quality

High-quality Lanczos resampling preserves detail when scaling down, so the output stays sharp on social, listing, and document use.

Built-in Platform Sizes

Instagram, TikTok, YouTube, LinkedIn, Amazon, Shopify, and resume photo sizes are one click away — no measuring required.

How to

How to Resize an Image Online

Step 1

Upload Your Images

Drag photos into the queue, click to pick from your device, paste with Ctrl + V, or use the mobile camera roll.

Step 2

Pick a Size Mode

Choose pixel, percentage, or platform preset. The mode applies to the whole batch so every image comes out the same size.

Step 3

Download

Preview the before-and-after dimensions for each image, then download individually or grab the full batch as a ZIP.

Who needs this tool

Who Needs an Online Image Resizer?

Use it whenever a platform, listing portal, or form has a specific size requirement and the source photo does not match.

Social media creators

Resize the same photo for Instagram, TikTok, YouTube, LinkedIn, and Twitter without redoing the work each time.

Ecommerce sellers

Batch resize product photos to the exact Amazon 1600 × 1600 or Shopify 2048 × 2048 size before uploading to a listing.

Office workers and students

Resize a phone photo into a resume headshot, a passport-style ID image, or a presentation slide image with one preset.

Web and content teams

Use percentage mode to scale a folder of hero shots down to 50 percent or to an exact width that fits the layout.

Reviews

Used by Creators, Sellers, and Office Workers

Social media creators, ecommerce sellers, and office workers use this image resizer to hit platform sizes without opening Photoshop.

  • I resize the same shot for Instagram square, Story, and YouTube thumbnail in one queue. Three downloads, one upload — that is the whole workflow.

    Lena V.

    Independent creator

  • Amazon main image must be 1600 by 1600 and my supplier sends me anything. Batch resize with a preset is the most boring win I have had this year.

    Karim B.

    Amazon seller

  • Percentage mode is what I needed. Drop a folder of hero images, scale to 60 percent, and the deck is ready for the team to review.

    Sara M.

    Marketing assistant

  • Application portal wanted a 295 by 413 photo. One preset, one download, and the form finally accepted my upload.

    Mateo G.

    Graduate applicant

  • Resize without losing quality matters when the same headshot has to look good on LinkedIn and the print resume. The result still feels sharp.

    Aisha K.

    Content strategist

  • I use the pixel mode with exact width to keep article hero images consistent. The lock-aspect toggle removes most of the guesswork.

    Ren O.

    Blog editor

FAQ

FAQs About Image Resizing

Ready to Resize Your Images?

Open the resizer, drop your photos, and pick a size mode — exact pixels, percentage, or a platform preset.

Start resizing