Bildwerkzeuge

Kostenlose Online-Bild-Tools für Bearbeitung, Konvertierung und Komprimierung. Kein Upload, keine Anmeldung, sofortige Nutzung ohne Größenbeschränkung.

Free online file converter tool. Works in Chrome Firefox Safari Edge Opera and other modern browsers on Windows macOS Linux Android and iOS. No software installation required. Browser-side processing keeps your file local when supported. Completely free to use with no account needed.

Kostenlose Bildwerkzeuge

Bildwerkzeuge

Bearbeiten, konvertieren, komprimieren und Bilder verbessern – alles kostenlos, alles in Ihrem Browser.

Bildwerkzeuge

Bildkonverter

Bilddateien in jedes Format konvertieren

Bild-Kompressor

Bilddateigröße reduzieren

Bildgrößenänderung

Bilder auf genaue Abmessungen ändern

Bild zuschneiden

Bilder auf benutzerdefinierte oder vordefinierte Abmessungen zuschneiden

Bild drehen & spiegeln

Bilder in jedem Winkel drehen oder spiegeln

Bild Spiegeln

Bilder horizontal oder vertikal online spiegeln

Bild Wasserzeichen

Text- oder Logo-Wasserzeichen zu Bildern hinzufügen

Hintergrundentferner

Bildhintergründe mit KI entfernen

Bild-Meta-Editor

EXIF-Metadaten anzeigen, bearbeiten oder entfernen

Farbwähler für Bilder

Farben aus jedem Bild auswählen und extrahieren

Bildbearbeiter

Helligkeit, Kontrast anpassen und Filter anwenden

Bild in Base64

Bilder in Base64-kodierte Zeichenfolgen konvertieren

Image to PDF

Bilder in PDF-Dokumente konvertieren

Image to Text (OCR)

Extract text from images with OCR

Favicon-Generator

Favicons in mehreren Größen aus jedem Bild generieren

Bild-Seitenverhältnis

Bild-Seitenverhältnisse berechnen und beibehalten

Bildformatdetektor

Bilddateiformat erkennen

HEIC to JPG

HEIC-Fotos in JPG konvertieren

WebP to JPG

WebP-Bilder in JPG konvertieren

JPG to WebP

JPG-Bilder in WebP konvertieren

SVG to PNG

Convert SVG vector to PNG image

SVG Optimizer

Optimize and minify SVG files

EXIF GPS Viewer

GPS-Standort aus Foto-EXIF-Daten anzeigen

Image Palette Extractor

Farben aus einem beliebigen Bild extrahieren

AI Alt Text Generator

Zugänglichen Alternativtext für Bilder generieren

Free Online Image Tools That Actually Work

This image toolkit bundles everything you typically reach for outside a full photo editor: format conversion between JPG, PNG, WebP, AVIF, GIF, BMP, and TIFF; lossless and lossy compression to shrink files for the web; resizing and cropping to match required dimensions; color and format inspection; and tools for generating icons, favicons, and color palettes.

Every image tool runs entirely in your browser, so your files never leave your device and are never uploaded to a server. That makes these tools well suited to sensitive files.

Why These Image Tools

True Privacy

Images are processed entirely client-side. Nothing is uploaded, so proprietary mockups, client assets, or personal photos stay on your machine.

Modern Format Support

Handle JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, SVG, and many specialty formats. Convert between them freely with quality controls.

No Quality Watermarks

Output images are clean — no branding, corner stamps, or forced compression. What you export is what the tool produced.

Works Offline After First Load

Since tools run locally, once the page loads you can keep working without a stable internet connection.

Common Image Tasks

Users reach for these tools most often to:

  • Convert PNG screenshots or photos to WebP to shrink file sizes for a website or blog without visible quality loss.
  • Resize product photos or thumbnails to specific dimensions for marketplaces, social platforms, or a portfolio.
  • Compress JPG files before sending them over email to stay under attachment size limits.
  • Convert HEIC photos from an iPhone into JPG or PNG so they open reliably on any device.
  • Generate a favicon set or a custom ICO from a single source PNG for a website.

How to Use the Image Tools

Every image tool follows a simple three-step process:

  1. Pick a tool. Select the converter, compressor, resizer, or other tool from the cards above.
  2. Load your image. Drag and drop the image, or click to pick one from your device. Batch selection is supported where it makes sense.
  3. Download the result. Adjust any settings (quality, size, format), run the tool, and save the output. No signup needed.

Image Tools FAQ

Which image formats are supported?

The tools handle JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, SVG, HEIC, ICO, and many lesser-known formats. Support depends on what your browser can decode natively.

Do you keep copies of my images?

No. Everything runs in your browser. Nothing is uploaded, nothing is stored on a server, and nothing is logged.

Will compression lower quality?

Lossless conversion (PNG to WebP, for example) preserves quality exactly. Lossy compression (JPG, WebP with quality below 100) reduces quality in exchange for a smaller file — you control how aggressive it is.

Can I process many images at once?

Most tools support batch input. Select multiple files and the tool will process them one after another, producing a zip of the outputs.

Does HEIC conversion work without iCloud?

Yes. The converter reads HEIC files directly in the browser and outputs JPG, PNG, or WebP without needing any Apple service or account.