InstaResize: Photo Resizer

Resize photos for Instagram, YouTube, TikTok, Pinterest in one tap. Now with 11 photo effects and custom sizes. Customize empty space with blur, gradients, or colors.

Resize photos for any social app, in one tap.

InstaResize lets you resize photos to the recommended aspect ratios of Instagram, YouTube, TikTok, Pinterest, and more. No tracking, no ads served — every operation runs locally on your iPhone.

【Supported Sizes】 ● 1:1 (1080×1080) Instagram Feed Square ● 4:5 (1080×1350) Instagram Feed Portrait ● 9:16 (1080×1920) Instagram Reels / YouTube Shorts / TikTok ● 16:9 (1920×1080) YouTube Thumbnail ● 2:3 (1000×1500) Pinterest Pin ● Custom — any pixel dimensions you choose

【Background Customization】 Make the empty space around your resized photo look beautiful. ● Solid color — White, Black, or any custom color (color picker) ● Gradient — 7 presets: Sakura, Wisteria, Peach, Fresh Leaf, Sky, Cotton Candy, Lemon ● Blur — Use a blurred copy of the original as a soft backdrop (Light / Medium / Strong)

【Photo Effects】 Change the mood of your photo with 11 one-tap effects. ● Miniature — tilt-shift diorama look ● Comic — line art with halftone ● Pixel Art — retro 8-bit style ● Halftone — printed dot pattern ● Film — vintage analog tone ● Mono — clean black and white ● Sepia — warm classic tone ● Vivid — saturated punch ● Oil Painting — painterly brush ● Glow — soft light bloom

【Easy Controls】

1. Choose a photo
2. Pick a size and a background
3. Save or share

Pinch to zoom, drag to reposition, double-tap to reset. Intuitive controls help you get post-ready images fast.

【High-Quality Export】 ● PNG format with no quality loss ● Save directly to your Photo Library ● Share straight to social apps from the share sheet

【Privacy】 ● No personal information is collected ● Your photos never leave your device ● No analytics or ad SDKs