Compresor de Imágenes
Comprime imágenes JPG, PNG y WebP sin pérdida visual de calidad. Reduce el tamaño en KB/MB con vista previa instantánea y sin subir archivos.
or drag & drop here
Paste from clipboard with Cmd+V · Multiple files supported
Supported: JPG · PNG · WebP · AVIF · HEIC
- Never uploaded
- No watermark
- No sign-up
- No server upload limits
How It Works
Simple 3-step compression powered entirely by your local browser
Añade tus imágenes
Compatible con JPG, PNG, WebP, AVIF y HEIC. Procesamiento local sin esperas.
Selecciona el modo
Modo equilibrado o fija un tamaño en KB/MB. Compara la calidad antes de guardar.
Descarga instantánea
Guarda individualmente o descarga todas las imágenes en un archivo ZIP.
Why Choose LessMB
The private, modern alternative to legacy cloud compressor websites
100% In-Browser Privacy
Zero bytes uploaded. Your personal photos, sensitive documents, and private videos never touch external servers or cloud storage.
Zero Queue & Instant Start
No waiting in cloud conversion queues or watching slow upload bars. Processing starts the millisecond you drop your file.
Hardware Acceleration
Harnesses WebAssembly SIMD and WebCodecs GPU encoding for high-fidelity compression directly on modern consumer hardware.
No Credit Consumption
Free tier compression uses your own device compute, meaning zero server credit drain for everyday single and batch tasks.
LessMB vs Traditional Cloud Compressors
See how client-side processing outperforms legacy server-based tools
Specialized Tools & Guides
Purpose-built browser tools solving specific format and platform constraints.
WebP Compressor
Compress static WebP images free in your browser. Adjust quality or target size, compare the result, and download without uploading your images.
PNG Compressor
Compress static PNG images locally in your browser. Keep PNG output for transparency, compare dimensions and file size, and download the result.
HEIC to JPG Converter
Convert iPhone HEIC photos to standard JPG format locally in your browser. Fast, free batch conversion with zero privacy leaks.
Matriz de Rendimiento de Compresión de Imágenes
Compresión en memoria local de JPG, PNG, WebP y AVIF con WebAssembly sin subidas a servidores.
| Formato / Tipo | Original | Modo Equilibrado | Tamaño Objetivo | Ahorro | Uso Recomendado |
|---|---|---|---|---|---|
| Foto JPG | 4000×3000 (5.8 MB) | 840 KB (Q82) | Fijado en ≤ 500 KB | ~85% | Web y redes sociales |
| PNG Captura / Logo | 2560×1440 (3.2 MB) | 520 KB | Fijado en ≤ 300 KB | ~83% | Transparencia nítida |
| WebP Moderno | 1920×1080 (1.4 MB) | 280 KB | Fijado en ≤ 200 KB | ~80% | Optimización de Core Web Vitals |
Frequently Asked Questions
Everything you need to know about LessMB in-browser compression
Looking for other file formats? Back to LessMB Free Online File Compressor