Skip to content
Sign in Submit your app

ResizeImage.dev vs Six-IR

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ResizeImage.dev compared with Six-IR
DetailResizeImage.dev logo ResizeImage.devSix-IR logo Six-IR
What it doesFree online image resizer that runs entirely in your browser with no uploads or server processing Free image resizer for Instagram, TikTok, YouTube and other platforms with no watermark and no upload
StageStartup Not given
Founded2024 Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free: no account needed, all core resizing features, AI background removal, batches up to 10 photos and 80 files. Plus: $7.99/month or $59/year, adds Vectorize (SVG files), batches up to 200 photos and 800 files, 100 AI credits monthly for generative tools (product scenes, expand, edit with words, f
Key features
  • Resize to exact pixel dimensions or by percentage
  • Social media presets for Instagram, Facebook, YouTube, LinkedIn, X, and Pinterest
  • Visual crop editor with zoom control
  • Support for JPG, PNG, WebP, AVIF, SVG, GIF, HEIC, HEIF, and TIFF formats
  • Adjustable quality settings for output formats
  • Batch resize up to 50 images at once
  • Lock aspect ratio to prevent distortion
  • Resize by pixels, points, inches, centimeters, or millimeters
  • Live preview of changes
  • Instant browser-based processing with no uploads
  • 24 platform sizes from Instagram to YouTube plus custom dimensions
  • Smart crop that keeps faces in frame
  • Opens iPhone HEIC photos directly
  • Saves JPG, PNG or WebP under maximum file size in KB
  • Batch resize up to 10 photos and 80 files at once (200 and 800 on Plus)
  • Free AI background removal and erase on device
  • AI upscale ×4 for photos up to 512 pixels
  • No watermark on any plan
  • Works in browser, nothing uploaded to servers
  • Integration with Claude and ChatGPT via MCP server
What makes it different
  • Completely free with no account, registration, watermarks, or hidden fees
  • Lightning-fast instant processing without waiting for server uploads
  • Batch processing up to 50 images in one click
  • Built with modern web technology including Next.js and WebAssembly
  • Free AI background removal included, not locked behind paid plan like competitors
  • Batch process up to 10 photos and 80 files free in one zip
  • Processes all photos in your browser with no uploads or servers involved
  • Opens iPhone HEIC photos directly without conversion
Community votes00
DR (Domain Rating by Ahrefs)26 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)200
Citation Flow (Majestic)2813
Referring domains (Majestic)1422

4 details filled in for both companies.

More alternatives to ResizeImage.dev More alternatives to Six-IR

Get help