Pixena（ピクセナ） ブラウザ完結型の安全・高速な画像処理スイート

Convert JPG images to lossless PNG format with transparent background support.

Convert PNG graphics to compressed JPEG format with custom background fill.

Convert modern WebP images to universally compatible JPG format.

Convert JPG to next-gen WebP format for 30% smaller file sizes.

Convert PNG to WebP while preserving full alpha transparency.

Convert WebP images to lossless PNG format with transparent backgrounds.

Convert high-efficiency AVIF images to standard JPEG format.

Convert JPG to AVIF format for up to 50% smaller file sizes.

Convert PNG to AVIF format while retaining alpha transparency.

Extract and convert GIF frames into high-quality JPEG photos.

Convert GIF to PNG format with preserved transparency.

Convert uncompressed BMP bitmaps to lightweight JPG files.

Convert high-resolution TIFF images to accessible JPG format.

Rasterize scalable vector SVG graphics into crisp PNG images.

Convert Apple iPhone HEIC photos to standard JPG format.

Resize any image to exact width and height dimensions with aspect ratio lock.

Resize JPEG photos to custom dimensions with preserved EXIF and quality control.

Resize PNG images while preserving crisp transparency and sharp edges.

Scale WebP images to custom dimensions for fast-loading websites.

Specify exact pixel width and height dimensions with fit modes.

Scale images up or down by percentage (25%, 50%, 75%, 200%).

Quickly downsize photos and graphics for email, chat, and web uploads.

Upscale photos and pixel art with high-fidelity interpolation.

Modify image width and height with custom canvas padding or stretching.

Resize multiple images simultaneously and download as a ZIP archive.

Crop images with interactive handles or standard aspect ratio presets.

Rotate images 90°, 180°, 270°, or by custom arbitrary angles.

Mirror images horizontally or vertically in one click.

Add smooth rounded corners or circular avatar cutouts to photos.

Add stylish solid, polaroid, or picture-frame borders to photos.

Expand canvas margins around images with uniform or individual padding.

Fill transparent areas with solid colors or background images.

Convert color photos to classic black and white grayscale.

Apply smooth Gaussian blur to images or backgrounds.

Enhance edge contrast and clarity in soft or blurry photos.

Brighten dark underexposed photos or darken overly bright images.

Boost punchiness and dynamic range or create soft matte photo styles.

Make colors vivid and rich or desaturate for muted tones.

Adjust image transparency levels from 0% to 100%.

Invert image colors to create negative film effects.

Reduce image file size while preserving high visual quality.

Compress JPEG photos with adjustable quality and chroma subsampling.

Compress PNG images using lossless optimization or 256-color palette quantization.

Optimize WebP images for peak web performance and minimal file size.

Compress images to hit an exact file size target in KB (e.g. under 100KB, 200KB).

Dual-action reduction: shrink dimensions and optimize compression together.

Losslessly optimize images by removing bloat and tuning entropy tables.

Compress dozens of images simultaneously and download as a ZIP.

Inspect complete image metadata, ICC color profiles, and technical tags.

View camera settings, lens info, and GPS coordinates embedded in photos.

Check exact pixel width, height, and aspect ratio of any image instantly.

Check exact image file size in bytes, KB, and MB with upload limits guide.

Identify true image MIME types and formats by sniffing magic header bytes.

Check image DPI and PPI resolution density for high-quality printing.

Pick colors from any image with an interactive loupe and copy HEX/RGB/HSL.

Convert images to Base64 Data URI strings for HTML, CSS, and API embedding.

Decode Base64 Data URI strings back into downloadable PNG, JPG, or WebP images.

Generate customized dummy placeholder images with custom dimensions, colors, and text.

Generate multi-resolution .ico and modern PNG favicons for websites and apps.

Generate complete icon suites for iOS, Android, macOS, Windows, and Progressive Web Apps.

Crop and resize images to official dimensions for Instagram, X/Twitter, LinkedIn, YouTube, and Facebook.

Create compliant US 2x2 inch and international 35x45mm passport and visa photos with printable grid sheets.

Pack multiple icons and game assets into a single optimized sprite sheet atlas with CSS and JSON coordinates.

Arrange multiple photos into a clean customizable N x M grid collage.

Generate professional photography contact proof sheets with file names, dimensions, and index labels.

Blend and arrange multiple photos into artistic photo montages and multi-layered collages.

Remove any solid background or specific color to create transparent PNG and WebP images.

One-click tool to erase white or light gray backgrounds from logos, graphics, and signatures.

Replace transparent or solid image backgrounds with any color or gradient.

Expand canvas dimensions around an image with transparent borders for icons, logos, and badges.

Separate and export the transparency alpha channel as a black-and-white grayscale matte mask.

Extract the full color palette, HEX codes, RGB, and HSL values from any photo.

Generate harmonious 5-color aesthetic palettes from any photo with export to Figma, CSS, and ASE.

Deep technical analysis of color distribution, RGB histograms, color temperature, and brightness.

Identify the single most prominent dominant color and primary accents with percentage coverage.

Audit text and background colors extracted from an image against WCAG 2.1 AA and AAA contrast accessibility guidelines.