Blog zur Bildbearbeitung
Praktische Anleitungen zum Komprimieren, Konvertieren, Bearbeiten und Verbessern von Bildern online.
Optimization
How to Compress an Image Online Without Losing Quality
Learn how image compression works, which format to choose, and how to reduce file size for websites, email, and social media.
5 Min. Lesezeit
AI
How to Upscale an Image With AI
A practical guide to AI image upscaling, when to use 2x, 4x, or 8x, and how to prepare images for the best result.
6 Min. Lesezeit
Formats
JPG vs PNG vs WebP vs AVIF: Which Image Format Should You Use?
Compare common image formats and learn the best choice for photos, transparent images, screenshots, and modern websites.
7 Min. Lesezeit
AI
How to Remove the Background From an Image Online
Learn how AI background removal works, when to use PNG output, and how to prepare product photos, profile images, and thumbnails.
5 Min. Lesezeit
Optimization
How to Resize Images for a Website
A practical image resizing checklist for faster pages, sharper thumbnails, better Core Web Vitals, and cleaner responsive layouts.
6 Min. Lesezeit
How to Convert Images to PDF
Turn JPG, PNG, and WebP images into a clean PDF for documents, receipts, portfolios, assignments, and sharing.
5 Min. Lesezeit
Formats
How to Convert HEIC to JPG or PNG
A simple guide for converting iPhone HEIC photos into JPG or PNG files that work in more apps, websites, and upload forms.
5 Min. Lesezeit
Optimization
How to Compress Images for Email Attachments
Reduce image file size before attaching to email. Tips for keeping photos under attachment limits while retaining enough quality.
5 Min. Lesezeit
Social Media
How to Resize Images for Instagram
Get the right dimensions for Instagram square posts, portrait photos, landscape images, Reels, and Stories before you upload.
5 Min. Lesezeit
Video
How to Convert GIF to MP4 Online
Convert animated GIFs to MP4 to reduce file size, enable sound, and share smoothly on social media platforms that prefer video.
4 Min. Lesezeit
How to Convert PDF Pages to JPG Images
Extract images from PDF pages, convert each page to JPG, PNG, or WebP, and download them individually or as a ZIP archive.
5 Min. Lesezeit
AI
How to Colorize a Black and White Photo With AI
Use AI to automatically add realistic color to old black and white photos, portraits, and historical images in seconds.
5 Min. Lesezeit
Editing
How to Crop an Image Online
Remove unwanted edges, reframe subjects, and export at the right aspect ratio for social media, print, and web layouts.
4 Min. Lesezeit
Editing
How to Add a Watermark to an Image
Protect your photos and artwork by adding a custom text watermark with adjustable position, size, color, and opacity.
4 Min. Lesezeit
AI
How to Remove a White Background From an Image
Strip white or solid-color backgrounds from product photos, logos, and graphics to get a clean transparent PNG ready for any layout.
4 Min. Lesezeit
AI
How to Blur Faces in a Photo
Automatically detect and blur faces to protect privacy before sharing event photos, street photography, or any public images.
4 Min. Lesezeit
AI
How to Remove Noise From a Photo Online
Remove grain, digital noise, and compression artifacts from photos taken in low light, at high ISO, or heavily compressed as JPG.
4 Min. Lesezeit
Editing
How to Edit Photos Online for Free
Adjust brightness, contrast, saturation, apply filters, rotate, and crop photos directly in your browser — no app install needed.
4 Min. Lesezeit
OCR
How to Extract Text From an Image (OCR)
Use optical character recognition to pull text out of scanned documents, screenshots, photos of signs, and handwritten notes.
5 Min. Lesezeit
Optimization
How to Reduce Image File Size in KB
Quickly shrink image file size for web uploads, email attachments, and mobile storage without visible quality loss.
4 Min. Lesezeit
Formats
How to Convert PNG to JPG Online
Convert PNG images to JPG to reduce file size for sharing, uploading, and email while keeping enough visual quality.
4 Min. Lesezeit
Formats
How to Convert JPG to PNG Online
Convert JPG images to PNG for lossless editing, transparency support, and clean screenshots or graphics.
4 Min. Lesezeit
AI
How to Remove the Background From a Logo
Get a clean transparent PNG version of any logo by removing its white, solid, or complex background using AI.
4 Min. Lesezeit
AI
How to Restore Old and Damaged Photos Online
Use AI to repair scratches, fading, and damage in old film photos and scanned portraits — no Photoshop needed.
5 Min. Lesezeit
How to Convert PDF Pages to PNG Images
Export PDF pages as high-quality PNG files for editing, presentations, and documents with sharp text and diagrams.
4 Min. Lesezeit
Social Media
How to Resize Images for Facebook
Get the right dimensions for Facebook profile photos, cover images, post images, event banners, and shared links.
4 Min. Lesezeit
Optimization
How to Reduce Image File Size Online
Shrink JPEG, PNG, and WebP files for faster website loading, smaller email attachments, and easier cloud storage.
5 Min. Lesezeit
Formats
How to Convert WebP to JPG Online
Convert WebP images to JPG for wider compatibility with apps, email clients, and older software that does not support WebP.
4 Min. Lesezeit
Editing
How to Add Text to an Image Online
Overlay custom text on photos for watermarks, memes, social media captions, and promotional graphics — no design software needed.
4 Min. Lesezeit
Editing
How to Make a Photo Collage Online
Arrange multiple photos into a single grid or mosaic for social media posts, event memories, product showcases, and gifts.
4 Min. Lesezeit
Creation
How to Create a Favicon for Your Website (All Sizes)
Generate favicon.ico, apple-touch-icon, and PWA icons from one image, and learn exactly which sizes a modern website needs.
5 Min. Lesezeit
Editing
How to Split an Image for an Instagram Grid (3x3)
Turn one photo into a 3x3 Instagram grid. Learn the right split, posting order, and sizing so your profile looks seamless.
4 Min. Lesezeit
Conversion
How to Convert SVG to PNG Without Losing Sharpness
Rasterize SVG vector files into crisp PNG images at any resolution, with transparency preserved.
4 Min. Lesezeit
Creation
How to Make an Animated GIF From Photos
Combine multiple photos into one animated GIF online. Control speed, size, and frame order without installing anything.
5 Min. Lesezeit
AI
Turn a Photo Into a Cartoon Online
Convert portraits and pet photos into cartoon-style illustrations with flat colors and bold outlines — free and instant.
4 Min. Lesezeit
AI
Convert a Photo to a Pencil Sketch Online
Transform any photo into a realistic pencil drawing with shading, free in your browser.
4 Min. Lesezeit
Editing
How to Round Image Corners Online
Add smooth rounded corners to any image for app icons, cards, and modern UI mockups — output as transparent PNG.
3 Min. Lesezeit
Optimization
How to Compress PNG Files Without Losing Quality
PNG files getting huge? Learn when to keep PNG, when to switch formats, and how to shrink screenshots dramatically.
5 Min. Lesezeit
Resizing
Resize a Photo to Passport / ID Size Online
Get the exact pixel dimensions for passport, visa, and ID photos, and resize your picture to match at home.
4 Min. Lesezeit
Editing
How to Make an Image Background Transparent
Remove a solid background color or use AI to cut out subjects, and export a clean transparent PNG.
5 Min. Lesezeit
Utility
Extract Text From a Screenshot (Free OCR)
Copy text out of screenshots, photos, and scanned pages with browser-based OCR — no upload, no signup.
4 Min. Lesezeit
Optimization
How to Compress an Image to 100KB or Less
Need to meet an upload limit? A practical method to get any photo under 100KB while keeping it presentable.
4 Min. Lesezeit
Conversion
Convert HEIC to PNG Online
Open iPhone HEIC photos anywhere by converting them to PNG, with transparency-safe, full-quality output.
3 Min. Lesezeit
Conversion
Convert Images to PDF on iPhone (No App Needed)
Turn photos into a single PDF directly in Safari — perfect for receipts, homework, and document submissions.
4 Min. Lesezeit
Creation
Free QR Code Generator: URL, Wi-Fi, Email and More
Create custom QR codes for links, Wi-Fi access, contact emails, and phone numbers — with colors and high-resolution download.
4 Min. Lesezeit
Editing
How to Crop an Image Into a Circle Online
Turn any photo into a perfect circle for profile pictures and avatars, with a transparent background.
4 Min. Lesezeit
Editing
How to Blur an Image Online (Free)
Blur a whole image with adjustable strength — great for backgrounds, privacy, and soft aesthetic effects.
4 Min. Lesezeit
Utility
How to Get the HEX Color Code From an Image
Pick the exact HEX and RGB color of any pixel in a photo — free, in your browser, no upload.
4 Min. Lesezeit
Conversion
How to Convert an Image to Base64 (Data URI)
Encode any image as a Base64 data URI to embed directly in HTML, CSS, or JSON — no separate file needed.
4 Min. Lesezeit
Optimization
How to Reduce Image Size for WhatsApp
Compress photos so they send instantly on WhatsApp without WhatsApp crushing the quality itself.
4 Min. Lesezeit
Conversion
How to Convert JPEG to PDF Online
Combine one or many JPEG photos into a single PDF document — perfect for receipts, scans, and submissions.
4 Min. Lesezeit
Resizing
YouTube Thumbnail Size: How to Resize Correctly
The exact YouTube thumbnail dimensions and how to resize your image to fit perfectly without cropping.
4 Min. Lesezeit
Conversion
How to Convert WebP to PNG Online
Convert WebP images to PNG for full software compatibility while keeping transparency intact.
3 Min. Lesezeit
Editing
How to Crop an Image to a Square (1:1)
Crop any photo to a perfect 1:1 square for Instagram posts, profile pictures, and product images.
3 Min. Lesezeit
Editing
How to Blur the Background of a Photo
Two ways to blur a photo background — full-image blur for aesthetics, or AI background separation for portraits.
5 Min. Lesezeit
Conversion
How to Convert Images to WebP for a Faster Website
Convert JPG and PNG to WebP to cut image weight by ~30% and speed up your site, with no visible quality loss.
4 Min. Lesezeit
Resizing
How to Resize an Image Without Losing Quality
The right way to resize photos so they stay sharp — when to downscale, when not to upscale, and what format to use.
5 Min. Lesezeit
Creation
How to Combine Multiple Images Into One
Merge photos side by side, stack them vertically, or build a grid collage — all in your browser.
4 Min. Lesezeit
Conversion
How to Convert AVIF to JPG Online
Open and share AVIF images anywhere by converting them to the universally supported JPG format.
3 Min. Lesezeit
Editing
How to Rotate or Flip a Photo Online
Fix sideways photos and create mirror images with one click — rotate 90 degrees or flip horizontally and vertically.
3 Min. Lesezeit
Editing
How to Pixelate an Image (Censor & Mosaic)
Add a mosaic pixel effect to censor sensitive info or create a retro 8-bit look.
3 Min. Lesezeit
Utility
How to Remove Metadata (EXIF) From a Photo
Strip GPS location, camera info, and other hidden EXIF data from your photos before sharing them.
4 Min. Lesezeit
Editing
How to Add a Border or Frame to a Photo
Add a clean colored border around any image — great for polaroid looks, product shots, and social posts.
3 Min. Lesezeit
Conversion
How to Convert PNG to WebP
Shrink PNG files dramatically by converting to WebP while keeping transparency — perfect for web graphics.
3 Min. Lesezeit
Optimization
How to Shrink Image File Size (Without It Looking Bad)
The complete method to reduce any image's file size — resize, choose the right format, and compress smartly.
5 Min. Lesezeit