Make images small enough to send instantly without losing clarity. No upload, no watermark.
Large photos take longer to send and use more data. Compress them first to under 100KB so they travel instantly and still look great on mobile screens.
Also try: resize for Instagram · compress to 100KB
WhatsApp resizes images to about 1600px on the long side and compresses them. For fastest sending, compress to under 100KB.
The tool keeps the highest quality that fits your target size.
No. Compression happens locally in your browser.