Kompresor Obrazów — Darmowe narzędzie online
Zmniejsz rozmiar pliku obrazu bez utraty jakości
Kompresuj obrazy JPG, PNG, WebP w przeglądarce. Bez przesyłania na serwer. Szybko, darmowo, bez znaków wodnych.
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Free image compressor — JPG, PNG, WebP in your browser
Narzędzieolis Image Compressor reduces file size without uploading anything. All compression happens in your browser using the Canvas API. Choose JPG for photos, WebP for modern sites (30–50% smaller), or PNG for graphics. Compare before/after sizes instantly.
When to use which format
- JPG — Photos. Universally supported. Typical 70–85% quality is invisible.
- WebP — Everything, modern browsers. 30–50% smaller than JPG at same quality.
- PNG — Logos, screenshots, anything with transparency or crisp edges.
- AVIF — Best compression of all. Newer — check browser support for your audience.
How to use this tool
- 1
Drop or pick an image
Drag any JPG, PNG, or WebP onto the drop zone — or tap to open your file picker. Multiple images work too.
- 2
Adjust quality
Slide between 10% (tiny, lower quality) and 100% (max quality, less compression). 80% is usually invisible to the eye.
- 3
Download compressed
Click Download to save the compressed version. Compare original vs compressed size in the stats box.
How much can you compress?
- Untouched JPG from phone — Usually 2–5 MB, can drop to 500 KB at quality 80
- PNG screenshot — 1–3 MB, converting to JPG at 85 drops to 100–300 KB
- DSLR photo — 15–40 MB raw, JPG export at quality 90 is 3–8 MB
- WebP vs JPG at equivalent quality — 30–50% file size reduction
Frequently Asked Questions
Are my images uploaded somewhere?
What compression algorithm do you use?
Why is my PNG output larger than JPG?
Can I batch-compress multiple images?
What quality should I pick?
Does this support WebP / AVIF?
Najważniejsze punkty
- Image Compressor is a free, browser-based image tool — reduce image file size without losing quality.
- Nie signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use Image Compressor
- Open the tool: Launch Image Compressor on Narzędzieolis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
Image Compressor — Quick Facts
- Cena
- Darmowe — bez limitów, bez znaków wodnych, bez paywall
- Prywatność
- 100% w przeglądarce — żadne dane nie są wysyłane na serwer
- Platforma
- Dowolna nowoczesna przeglądarka — desktop, tablet lub mobile
- Kategoria
- Image Narzędzies on Narzędzieolis
- Offline
- Works offline after first visit (Progressive Web App)
| Funkcja | Szczegóły |
|---|---|
| Narzędzie | Image Compressor |
| Kategoria | Image |
| Wymagana rejestracja | Nie |
| Przesyłanie pliku | Brak — przetwarzane w przeglądarce |
| Obsługa mobile | W pełni responsywne |
| Koszt | Darmowe na zawsze |
Why Use Image Compressor?
You should try Image Compressor for a quick, private way to reduce image file size without losing quality. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.