Resize any image,
instantly.
Drop your photo, pick a preset or set custom dimensions, download. Wallpaper, phone, desktop, social — exact pixel sizes for every device.
Wallpaper presets
Phone, tablet, desktop — exact native dimensions
Social media
Instagram, X, Facebook, YouTube, TikTok, more
Resize in 3 steps
Upload your photo
Drop any JPG, PNG, WebP, GIF, or BMP — or paste from your clipboard with Ctrl+V.
Pick your size
Choose from 26 device and platform presets, or type exact custom dimensions.
Download instantly
Export as PNG, JPG, or WebP. Done in seconds — no upload, no waiting.
Resize for any platform
Exact native dimensions for the latest phones, tablets, desktops, and every major social network.
Why use Wallora's resizer
Private by design. Your image never leaves your device. The resize runs entirely in your browser using HTML5 Canvas — that's a stronger privacy guarantee than the average online image tool, which uploads everything you process to a third-party server.
Free, forever. No signup, no email, no credit card, no daily limit, no watermark added to your output. Wallora makes money from the wallpaper gallery's ad slots, not by gating tools behind a paywall.
Built for real screens. 26 device and platform presets ship out of the box — iPhone 15 Pro Max (1290×2796), Samsung Galaxy S24 Ultra (1440×3120), MacBook Pro 14" (3024×1964), 4K Desktop (3840×2160), Ultrawide (3440×1440), Instagram Square (1080×1080), Instagram Story (1080×1920), X Post (1600×900), YouTube Thumbnail (1280×720), Pinterest Pin (1000×1500), and TikTok (1080×1920) — every dimension is the exact native pixel count for that platform.
Three fit modes. Crop centers and fills (no distortion, no gaps). Stretch resizes to exact dimensions (may distort). Fit letterboxes with a chosen background color.
Modern formats. Export to WebP for ~30% smaller files than JPG at the same visual quality. PNG for lossless graphics with transparency. JPG for maximum compatibility.
Frequently asked questions
Does this upload my image to a server?
No. The resize happens entirely in your browser using the HTML5 Canvas API. Your image data stays on your device and never touches our servers.
What's the maximum image size I can resize?
Limited only by your browser's memory. Typical phones handle up to 8000×8000 pixels; desktops handle 16000×16000 or larger without issue.
Will resizing reduce quality?
Downsizing produces sharp results with virtually no quality loss. Upsizing (e.g. 1080p to 4K) interpolates pixels and will look softer — for upsizing we recommend a dedicated AI upscaler like Upscayl.
Which format should I pick?
Use WebP for the best balance of quality and file size for both photos and graphics. Use JPG if you need maximum compatibility with older systems. Use PNG when you need transparency.
Can I resize multiple images at once?
This version handles one image at a time. Bulk-resize support is on the roadmap.