Free Image Resizer Online
Resize JPG, PNG & WebP by pixels, percentage, or preset. Bulk resize up to 20 images — no login, no watermark, 100% private.
Up to 20 images · 25MB each · 100% private, browser-only
Free Online Image Resizer — Resize by Pixels, Percentage or Preset
Our free image resizer lets you resize images online instantly — no software, no login, no watermark. Works on iPhone, Android, and all desktop browsers. Upload first, set your dimensions, then click Resize to get your output with a side-by-side preview.
Enter exact W×H with optional aspect ratio lock.
Scale up to 200% or down to 1% in one slider.
Instagram, Facebook, Passport, Print — all built in.
Up to 20 images at once. Download all in one click.
Everything runs in your browser. Nothing uploaded.
Works on iPhone, Android, iPad, all browsers.
How to Resize Images Online (3 Easy Steps)
- Step 1 — Upload: Select or drag & drop your JPG, PNG, WebP, or GIF files (up to 20)
- Step 2 — Configure: Choose Pixels, Percentage, or a Preset size. Pick output format & fit mode
- Step 3 — Download: Click "Resize Images" to see before/after preview, then download
Social Media Image Sizes (2025)
| Platform | Type | Dimensions |
|---|---|---|
| Square Post | 1080 × 1080 px | |
| Portrait Post | 1080 × 1350 px | |
| Story / Reel | 1080 × 1920 px | |
| Post | 1200 × 630 px | |
| Cover | 820 × 312 px | |
| Twitter / X | Post | 1200 × 675 px |
| Post | 1200 × 627 px | |
| US Passport | Photo | 600 × 600 px |
Resize vs Compress — Which Do You Need?
Resize changes the pixel dimensions (e.g., 4000×3000 → 800×600). Compress reduces file size without changing dimensions. For best results: resize first, then use our free image compressor.