Free utilities for working with images and dimensions. Converters run entirely in your browser — files never leave your device.
Change an image between formats. Everything runs in your browser — files are never uploaded.
Convert between JPG, PNG and WebP with a format picker. Batch, adjustable quality, no upload.
Convert PNG to JPG in your browser — typically 70–90% smaller for photos. Adjustable quality, no upload.
Convert JPG / JPEG to lossless PNG in your browser — for editing and compatibility. No upload.
Convert PNG to WebP in your browser. No upload, adjustable quality, batch support.
Convert JPG / JPEG to WebP locally. Same engine, same privacy guarantee.
Convert WebP back to PNG in your browser — keeps transparency, universally compatible. No upload.
Convert WebP to JPG / JPEG in your browser — maximum compatibility, adjustable quality. No upload.
Convert iPhone HEIC photos to JPG in your browser — keeps rotation, nothing uploaded.
Convert iPhone HEIC photos to lossless PNG in your browser — keeps rotation, nothing uploaded.
Rasterise SVG to PNG at 1× to 4×, rendered sharp at the output size. No upload.
The same format with two extensions. Renames without re-encoding, so no quality is lost.
Encode an image to a Base64 data URI or decode it back — with copy-ready HTML & CSS snippets. No upload.
Make an image smaller or reframe it — by dimensions, by bytes, or by cropping.
Resize by exact pixels or by percentage, with aspect-ratio lock. Batch up to 20, no upload.
Drag to crop any region, with 1:1, 4:3, 16:9 and 9:16 aspect locks. Export PNG, JPG or WebP.
Compress PNG, JPG & WebP in your browser with an adjustable quality setting. Batch, no upload.
PNG is lossless, so the real saving is WebP — this does both and shows the difference. Transparency kept.
Shrink JPG / JPEG with an adjustable quality setting. 40–70% typically comes off invisibly.
Crop images to exact Instagram, Facebook, X, LinkedIn, YouTube, Pinterest & TikTok sizes — in your browser.
Find out what an image or a page is actually serving.
Scan any URL to audit every image on a page — dimensions, rendered size, type, and CSS backgrounds.
Find the dimensions of a single image from its URL.
View EXIF and full image metadata — camera, lens, GPS flag, dimensions — privately in your browser.
See how an image scales across viewport sizes.
Preview how any URL looks when shared on Facebook, X, LinkedIn & Slack.
Audit hundreds of URLs at once or pull image dimensions from an API. Join the waitlist.
Audit images from your AI agent, terminal, or CI pipeline. Free & open source.
Need to audit a whole page instead of one image?
Scan a URL →Checking images at scale?
Bulk-audit hundreds of URLs at once or hit a dimensions API from your own code.