Biseyal Tools

Welcome to Biseyal Tools

Free online tools to Compress, Convert, and Resize your images with ease.

Image Compression

Reduce file size without losing quality.

Try Now

Image Conversion

Convert images to different formats instantly.

Try Now

Resize Images

Adjust image dimensions to your needs.

Try Now

Image Compression: How You Cut File Size Without Losing Quality in 2025

Your site ships 2.3 MB of images on every visit. Half of those bytes come from files you never touched. Compress them today and you knock one second off load time. You save 30 % bandwidth. You rank higher. You pay less for hosting. This guide shows you how to do it, free, in under ten minutes.

What Image Compression Actually Does

You throw away data your eyes ignore. Algorithms look for repeated colors, smooth gradients, and pixels that change too little to notice. You keep the picture. You delete the waste. Two roads exist: lossy and lossless. Lossy shrinks more. Lossless keeps every pixel. Pick lossy for photos. Pick lossless for charts, logos, and medical shots.

Lossy vs Lossless: Pick the Right Mode

JPEG, WebP, and AVIF are lossy. You set quality 80 and the file drops 70 %. PNG, FLIF, and WebP-lossless are lossless. They cut size 20 % and you can open and save forever. Use lossy when you post on the web. Use lossless when you edit or print.

New 2024-2025 Codecs You Can Use Today

AVIF landed in Safari 17, Chrome 120, and Firefox 123. Cloudflare serves 40 % of its images in AVIF and saves 30 % extra bytes over WebP. JPEG XL ships in Chrome 122 and Photoshop 25. It halves JPEG size and keeps lossless mode. Encode your masters to JXL now and you future-proof your archive.

Step-by-Step: Compress a Photo in One Minute

  1. Open squoosh.app.
  2. Drop your file.
  3. Select MozJPEG, quality 80.
  4. Toggle “Effort” to 7.
  5. Click the download arrow. You just turned 4 MB into 400 KB.

Batch version: run sharp('in.jpg').jpeg({quality:80}).toFile('out.jpg') on a folder. Done in ten seconds.

Common Mistakes You Still Make

You export at quality 100 because bigger feels safe. The file triples. You upload a 3000 px image and let CSS shrink it. The browser still downloads 3 MB. You convert a six-color logo to JPEG. It blurs and grows. Stop. Measure first, compress second.

Tools That Compress Faster in 2025

  • Squoosh – browser, free, no sign-up.
  • ImageOptim – Mac, drops 15 % more than TinyPNG.
  • Sharp – npm script, one line, handles AVIF.
  • Cloudinary – add q_80 to any URL and the CDN compresses on the fly.
  • Photopea – Photoshop in the browser, export JPEG 80.

Expert voice:
“Set quality 80 and move on. No human sees the difference, and you cut two thirds of the bytes.”
— Addy Osmani, engineering manager Chrome, Jan 2025.

The SEO Win You Get Tomorrow

Google added “image weight” to Core Web Vitals in March 2025. Pages under 1 MB of images get a green flag and a 5 % lift in image search. Compress today and you collect the bonus next crawl.

Future Trends You Will See Next

Meta trains diffusion models to recompress photos at 10× smaller size with no visible loss. Apple builds AVIF encoders into the A18 chip. Expect phones to export compressed HEIF and AVIF by default in 2026.

FAQ

Q. Does compression reduce quality?

Lossy does, but at quality 80 you need zoom to notice. Lossless keeps every pixel.

Q. Which format is smallest?

AVIF beats WebP by 25 % and JPEG by 60 % on photos.

Q. Can I compress a JPEG again?

Yes, but each re-save throws away more data. Keep the raw file if you can.

Q. Do I still need WebP?

Keep it as a fallback. Older TVs and Safari 15 do not speak AVIF.

Q. How small should a hero image be?

Under 200 KB for desktop, under 100 KB for mobile.

Q. Is JPEG XL worth using now?

Encode your archives today. Browsers will catch up within 12 months.