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  1. Home
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  3. Images & Design
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  5. Image Editor: Compress, Resize, Crop & Border

Image Editor: Compress, Resize, Crop & Border

Compress, resize, crop and frame images in one private editor. Four views run offline in your browser and never upload a photo.

Part of our Images & Design collection — Explore more Images & Design tools · See also: QR Code Generator, Color Studio.

Also available in: versión en español → · version française →

Quick answer: Image Editor: Compress, Resize, Crop & Border — Compress, resize, crop & border Free, no signup, runs in your browser. See below for the interactive tool, 4-step guide and FAQs.

Quality: 80%

Max width (px)

Images wider than this are scaled down.

Images are processed entirely in your browser and are never uploaded. · Need an exact 100KB file for portals or job applications? Read our 100KB image compression guide and check our PNG vs JPG vs WebP format comparison.
Width (px)
Height (px)
X (px)
Y (px)
Width (px)
Height (px)
Aspect ratio
Free
Aspect ratio
Width (px)
Height (px)
Border width (px)
Border color

More Images & Design

QR Code GeneratorColor StudioColor Contrast CheckerCSS Gradient & Effects StudioFavicon GeneratorImage Format Converter: JPG, PNG & WebP
View all Images & Design tools →

Learn: guides & tutorials

Deep dives from the Tool4SaaS blog — tested workflows, print sizes and fixes.

  • Image Optimization Guide: 80% rule, formats, 100KB portals (pillar)
  • Compress JPG to 100KB for online forms
  • Resize images to exact pixels without blur
  • Crop passport photos to exact size
  • Strip EXIF data before uploading

About the author

Reviewed by the Tool4SaaS Editorial Team — In-house reviewers who build and test every tool locally for accuracy across current Chrome, Edge, Firefox, and Safari. Last updated: October 23, 2026. See our authors, methodology or contact us.

Frequently asked questions

Four views share one tab bar. Compress re-encodes JPG or PNG to a lighter file, Resize scales to exact pixels with an aspect lock, Crop frames to ratios like 1:1 or 16:9, and Border adds a solid mat or keyline. A typical run compresses a 4.2 MB photo to about 900 KB at 80 percent, then resizes it to 1200 by 900 for a page.

No. Every view reads files locally and draws on canvas in your browser, so images are never uploaded. Inputs up to 10 MB and 8192 pixels per side stay on your device, and the working data clears when you close the tab, keeping client portraits and unreleased products confidential.

Resize when dimensions overshoot their slot, such as a 4000-pixel capture shown at 1200, since that saves the most bytes. Compress when dimensions already fit but the file stays heavy, like 2 MB down near 300 KB at 75 percent. Combine both: scale first for sharpness, then compress the result for the lightest payload.

Compression offers Light, Medium and Strong levels; lighter settings keep small visual loss, so 80 percent suits photos and 90 percent suits text. Resizing preserves apparent sharpness when downscaling but cannot invent detail when enlarging. Crop and Border leave source pixels untouched, so a 24-pixel mat only widens the canvas by 48 pixels.

Crop offers 1:1 for avatars, 16:9 for banners, 4:3 for posts and custom pixel boxes, with drag, zoom and flip, exporting PNG, JPG or WebP. Compress and Border output JPG or PNG, and Resize exports PNG. Transparency survives in PNG or WebP but fills with white if you export a transparent image as JPG.

Use JPG for photographs, PNG for logos, line diagrams and translucent overlays, and WebP for lightweight web images with alpha. A 2 MB JPG often drops near 300 KB at 75 percent, while a PNG screenshot shrinks only modestly because it is already lossless. Convert between formats with the separate image format converter when a portal demands a specific type.

How to use Image Editor: Compress, Resize, Crop & Border

  1. Pick a view: Choose Compress to lighten a file, Resize for exact pixels, Crop for a ratio or Border for a frame.
  2. Load the image: Select a JPG or PNG up to 10 MB and 8192 pixels per side, keeping the original safe on your device.
  3. Set the options: Drag the quality slider, type target width and height, pick a 1:1 or 16:9 ratio, or set a mat width and color.
  4. Preview and download: Check the live preview and byte estimate, then download the compressed, resized, cropped or bordered image.

In-depth guide

What the image editor does

Four views centralize everyday image jobs in one offline page. Compress quantizes a photo without changing its width and height, Resize sets exact pixels with an aspect lock to avoid stretched faces, Crop frames to 1:1, 16:9 or custom boxes, and Border surrounds pixels with a solid mat. A common run takes a 4.2 MB portrait down near 900 KB at 80 percent, resizes it to 1200 by 900 and adds a 24-pixel white frame. Benchmark table: compress 2 MB to 300 KB at 75 percent | resize 4000 by 3000 to 1200 by 900 | crop 1080 by 1080 avatar | border 1200 by 900 plus 24-pixel mat equals 1248 by 948.

How quality, dimensions and framing work

Compression aggression tracks the quality slider: 90 percent keeps typographic crispness for infographics, 80 percent balances detail against payload, and 70 percent introduces mottling across skies and skin. Resizing down preserves apparent sharpness while enlarging cannot invent detail, and pixels divided by print inches set effective DPI. Crop ratio locks stop skew during dragging, and Border expands the canvas symmetrically so source pixels remain untouched. Limitation: PNG screenshots shrink only modestly because they are lossless, transparency fills with white in JPG, and panoramas beyond 8192 pixels downscale on import to protect memory.

Worked example, edges and related tools

For a portal upload: open a 4.2 MB photo, resize to 1200 by 900 with the lock on, compress to 80 percent near 900 KB, then crop the 1:1 avatar for the profile. Edge case: cropping before resizing keeps subjects sharp and bytes low, while adding a border after cropping avoids shrinking the frame. If a form demands a specific type, convert with the image format converter first, and for vector marks use the SVG optimizer or SVG to PNG converter.