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Social media image resizer

Every platform crops, pads or rejects images that are not its exact size, and the specs change often enough that memorising them is not worth it. This page starts you on the Instagram square post preset — pick any other placement from the list below and the same tool loads with the correct pixel size already set.

  • No upload — files stay on your device
  • Works offline once loaded
  • Free forever, no signup, no watermark

Target for this placement: {{ width }}×{{ height }} px ({{ label }})

Drop a photo here, or tap to choose JPG, PNG or WebP — nothing is uploaded
Fit mode
Output format
Padding
Quality
Rendering {{ width }}×{{ height }}…
Live preview
  • Original {{ sourceSizeLabel }}
  • Output size {{ resultSizeLabel }}
  • Output pixels {{ width }}×{{ height }}

Under the {{ maxKbLabel }} limit for this placement.

Quality was lowered automatically to fit the size limit.

{{ hint }}

Every placement, one page each

The widget above resizes to whatever placement is loaded on this page. For a different platform or shape, jump straight to its own preset below — same tool, correct size pre-selected.

Dimensions last verified August 2026. Platforms adjust these specs without much notice — if a size below looks off, check the platform's own upload help page before a high-stakes post.

From a free tool to your own software

Software for marketing teams and social media agencies

A single campaign creative has to be cut for a YouTube thumbnail, an Instagram story, a LinkedIn banner and a WhatsApp status, and each platform crops differently. Agencies and in-house teams running several brands lose hours to resizing and still publish posts with faces cut off. Software built around your brand templates produces every placement from one approved design.

  • Brand template and creative generators

    Designers set up templates once, and the rest of your team produces correctly sized posts, stories and banners for every platform from a single approved layout.

  • Content calendars with client approvals

    Plan posts across brands and channels, route drafts to clients for sign-off, and keep the final file for each placement together with its caption.

  • AI-assisted creative variations

    Generate crop, headline and layout variations for each placement with AI, keeping subjects inside platform safe areas, while a person picks what goes live.

  • Franchise and dealer marketing portals

    Head office publishes approved creatives, and each outlet adds its own address and offer, then downloads correctly sized posts for its local pages.

Who we build this for: Digital marketing agencies, in-house brand teams, franchise networks and media houses publishing across many channels.

This tool runs entirely in your browser. The team that built it designs custom software for businesses and runs DigiSign, our own signage platform, in production.

Plan a creative workflow Digital Marketing & AI Search

How to use this tool

  1. Drop your photo

    Add any JPG, PNG or WebP photo — drag it onto the box or tap it to choose one from your device.

  2. Pick a fit mode

    Choose Cover to crop and fill the frame, or Contain to keep the whole photo and pad the edges with a colour or a blurred copy of the image.

  3. Download the exact size

    Check the live preview and file size, then download — the image is already the exact pixel size this placement needs.

Questions people ask

Which social media sizes does this tool cover?

Fourteen placements across YouTube, Instagram, LinkedIn, Facebook, X, WhatsApp, Pinterest and Open Graph link previews — the full list with exact pixel sizes is below. Pick one and the same resizer loads pre-set to that size.

Can I use one photo for several placements?

Yes, but crop it separately for each — a photo framed well as a square Instagram post rarely works unchanged as a 3:1 LinkedIn banner. Visit each placement page and re-crop from the same source photo.

Is my photo uploaded anywhere?

No. Resizing happens entirely inside your browser using the Canvas API — this site has no upload endpoint, and the tool keeps working if you disconnect from the internet after the page loads.

What is the difference between Cover and Contain?

Cover scales your photo up until it completely fills the target frame and crops away whatever does not fit, so the result is nothing but photo, no padding. Contain scales the photo down until the whole thing is visible, then pads the leftover space with a colour or a blurred, zoomed-in copy of the same photo so it still looks intentional.

Do social media image sizes change over time?

Yes — platforms adjust these specs every year or two without much notice. The dimensions on this page were last verified in August 2026; if a placement changes after that, the pixel size and any file-size limit shown above may be out of date, so it is worth a quick check against the platform's current help page before a high-stakes upload.

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Who makes these tools

Bookmark this page — the tool keeps working offline, and your settings stay in this browser. Built by Dynamb Technologies, who build software for businesses.