About This Tool
What is Image Resizer?
A tool for resizing images to custom dimensions. Maintain aspect ratio or freely set width and height. Useful for social media uploads, website optimization, and image standardization.
How to Use
- Click 'Select Image' to upload an image.
- Enter the desired width and height.
- Check 'Maintain aspect ratio' to preserve proportions.
- Set format and quality, then download.
Key Features
- Free resizing to any dimensions
- Aspect ratio preservation option
- Output format selection (PNG, JPG, WebP)
- Quality adjustment
Tips
- Recommended social media sizes: Instagram 1080x1080, Facebook cover 820x312, Twitter 1200x675.
- Maintaining aspect ratio prevents image distortion.
- For web images, 1920px width is sufficient for most screens.
Frequently Asked Questions
Redimensionar reduz qualidade?▼
Reduzir: perda mínima. Ampliar: perda de qualidade por interpolação. Sempre mantenha o original.
Manter proporção?▼
Sim, sempre mantenha aspect ratio para evitar distorção. Ajuste uma dimensão e calcule a outra.
Tamanho ideal para web?▼
1920px para largura total, 800px para conteúdo. Equilibre qualidade e tempo de carregamento.
Related Tools
Number Base Converter
Convert between binary, octal, decimal, hexadecimal and more
Color Code Converter
Convert between HEX, RGB, and HSL color codes
Image Format Converter
Convert between PNG, JPG, and WebP image formats
Image Compressor
Reduce image file size by adjusting quality. Supports batch compression.
Unit Converter
Convert between length, weight, temperature, area, speed, and data size units
Lunar Calendar Converter
Convert between solar (Gregorian) and Korean lunar calendar dates