All-in-One Image Toolkit

Free online image tools for every task

Six tools that cover what people actually need to do to a picture before publishing it: change its dimensions, cut it to a shape, make the file lighter, change its type, sign it, or make it bigger. Each runs in a browser on desktop or mobile with nothing to install, and every one is free with no account and no watermark added to your result.

The figures quoted below are measured rather than estimated — we ran the same 3000 × 2000 camera photograph and a small flat graphic through each tool and recorded what came back, because the honest answer to “which setting should I use” usually depends on numbers nobody publishes.

Which image tool do you need?

Most confusion here comes from three jobs that sound alike. Resizing changes how many pixels there are. Cropping changes which part of the picture you keep. Compressing changes how many bytes describe the pixels, and leaves both the framing and the dimensions alone.

What each tool does, with the numbers

Resize

Four ways of asking for a size — exact pixels, a percentage, a bounding box, or a forced width and height — plus ten platform presets covering Instagram, YouTube, X, LinkedIn, Facebook, Pinterest and TikTok. Output is capped at 8000 pixels per side. Reach for the image resizer when the framing is already right and only the dimensions are wrong.

Crop

Drag a box or type exact coordinates, with fourteen aspect presets, rotation, flipping and a straighten slider for a horizon that leans. How much survives depends entirely on the shape: on a 3000 × 2000 photo a 4:3 crop keeps 89% of the frame, a square keeps 67%, and a 9:16 story crop keeps just 38%. The crop tool sets a region, so pair it with the resizer when a platform wants exact pixels too.

Compress

Four levels, or a quality slider, or a file-size ceiling you name in kilobytes. Our 3.6 MB test photograph came back 21% lighter on Low, 65% on Medium, 81% on High and 89% on Maximum — and 93% lighter as AVIF at the same setting. Ask the image compressor for a 100 KB ceiling and it encodes repeatedly to find the highest quality that fits underneath.

Convert

This is where the biggest savings usually hide, because the best format is decided by the kind of picture you have, and the two kinds want opposite things:

JPEG is the best choice in one column and the worst in the other by a factor of nine, and PNG makes a photograph larger than it started. Send photographs to JPEG, WebP or AVIF, and send screenshots, logos and line art to PNG. The image converter carries transparency into any format able to hold it, and offers a lossless mode for artwork that must stay exact.

Watermark

A text layer and a logo layer that coexist on the image, each carrying its own placement, scale, transparency and tilt, plus a tiling mode for proofs. Between 50% and 70% opacity is readable without spoiling most photographs. The watermark tool composites at full resolution, so what you place on the preview lands on the full-size file.

Upscale

Enlargement by 2× or 4× using Lanczos resampling, which holds edges together far better than the scaling browsers and office software fall back on. Worth being clear about the limit: at 2× three-quarters of the resulting pixels are computed rather than recorded, and at 4× it is fifteen-sixteenths. The image upscaler produces a larger, cleaner rendering of what the file already holds — it cannot recover detail the camera never captured.

Where your images are processed

Worth stating precisely, because it differs by tool. Resize, crop, compress, convert and upscale send the image to Pixpoo’s server, where it is held in memory for the length of the job and returned immediately — never written to disk, never stored, never shared. The watermark tool is different: for PNG, JPEG and WebP output it composites inside your own browser and the picture never leaves your device at all.

Camera and location data is removed by default across the toolkit, so a photograph you publish does not carry the GPS coordinates of where it was taken. Our PDF toolkit works differently again — those tools run entirely in the browser and upload nothing.

Putting the tools together

Order matters more than people expect, because each step changes what the next one has to work with.

• Photo for a web page: crop to the shape, resize to the slot width, then compress. Cropping last would throw away pixels you just paid to keep.
• Product shot for a store: crop square, resize to the platform size, watermark, then compress — the mark should be applied before the file is squeezed.
• Photo that must hit a byte limit: resize first, then set the ceiling. A tight limit on a large picture is usually a pixel-count problem rather than a quality one.
• Old or small picture: upscale, then compress. Enlargement adds pixels without adding detail, which is exactly where compression costs least.

Image toolkit FAQs