How To Draw An Arrow On A Photo In Irfanview

Senior Computer Tutor
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Digital Photograph Basics
Getting Pictures from Camera into Computer

Getting Acquainted with Irfanview

Bones Terms: View Size vs Print Size, etc.

Almost Free Photography - Naming Pics, Albums

When Digital Camera Photos Tin't Be Found

Digital Photography for Non So Digital Seniors

Crop, Resize, Align, Colors

How to Crop and/or Resize a Photograph

Problem Enlarging Digital Pictures

Understanding CYMK & RGB Colors

How to Straighten (Rotate, Align) a Photo

Darkrooms Replaced past Computers

Exist Your Own Photograph Processing Studio

Adding Text to Pictures

Adding Text to a Photo

Text & Picture In a Word Text Box

Displaying Your Pictures

Press Multiple Photos on a Unmarried Page

Displaying Your Photos as a Slideshow

Merging Two Graphics Into Ane

When Multiple Photos Don't All Fit on a Print-Out

Print Yourself or Have Pics Processed Elsewhere?

Online Images - Emailing Pics

Reducing a Digital Photograph'south File Size

Red X Instead of a Motion picture

Reducing the File Size of a Video

Print Yourself or Have Pics Processed Elsewhere?

Copying Images from a Web Site or an Email

Pic Formats - File Extensions

Digital Picture Formats (JPG, BMP, GIF, TIF, etc)

Difference Between "Drawing" & "Painting" Programs

Digital Cameras & Megapixelss

Choosing File Associations for Motion picture Files

Understanding "Animated GIFs"

Comparing of JPG and GIF Image Files

Getting Acquainted with Irfanview

I use four dissimilar image-editors for various tasks, just prefer one particular program for opening, cropping, and resizing photos. Irfanview is completely free from www.pcdon.com. As you download it, click Yes when asked if you desire it to exist the default program for opening your bitmap images (JPG, BMP, TIF, etc.). Then, whenever a photo'due south filename or icon is double-clicked, it will open in Irfanview.

Since digital photos tend to be fairly large, they may not fit completely in the Irfanview window. Click the toolbar "minus sign" to reduce the view size. Each click makes the view 10 percent smaller.

To make the photo physically smaller in size, click Epitome>Resize/Resample. Here you'll observe many options, such as HALF, which makes the photograph ane/iv its original size (one-half as high and half as broad). Or you can reduce it past a chosen per centum, say, 75% to make it 3/4 of the original. Yous tin can besides designate an verbal meridian or width in pixels or inches.

This is also where yous choose the DPI (dots per inch) for the prototype resolution. 300 DPI works well for images to be output on an inkjet printer. Yet, if the image will just be viewed on a screen, 96 DPI is fine for nearly LCD (liquid crystal display) monitors with 72 DPI being suitable for older CRT (cathode ray tube) monitors.

Now y'all may want to "crop" the photo, i.e. select the important area, and eliminate the extraneous background which can speedily empty your expensive inkjet cartridges.

With your left mouse-push held downwardly, utilise the pointer pointer to depict a box around the area you desire to keep. Release the mouse-button to fix the dashed outline in place. Finally, click the toolbar scissors followed by clicking the "clipboard paste" icon to complete the cropping.

And so become to File>Save As and proper name it — you tin can go on the existing proper name, or type a new ane. In the "Salve as Blazon" field, choose JPG for any flick you program to email or postal service on a Web site. In fact, JPG has become the near popular format for snapshots and family unit photos. More about the other formats afterward.

Irfanview (free from world wide web.irfanview.com) doesn't have the huge arsenal of editing tools found in programs like PhotoShop or PaintShopPro, just it does take some useful ones.

If a photo is besides night or besides lite or needs some color correction, click on Paradigm>Raise Colors. Here yous'll observe sliding scales for increasing or decreasing Brightness and Dissimilarity, along with scales for adding and subtracting RGB colors. You'll also see two reduced images — one to prove the original coloring and one to show the changes taking place as you edit.

If, afterward clicking OK, you lot're not pleased with the end result, use Edit>Disengage to revert to the original image.

You'll observe several other useful options nether Prototype, such as Rotate, Flip, Sharpen, and Convert to Negative or Convert to Gray Scale. Under Image>Furnishings you'll find some avant-garde treatments such every bit Emboss, Oil Paint, and Explosion.

If you plan on doing a lot of edits on a detail image, I'd recommend saving information technology as a BMP, rather than as a JPG, while you edit. Re-edits on a JPG tend to diminish resolution quality with each subsequent Save. BMPs, conversely, maintain resolution quality with multiple Saves. Save the moving picture as a JPG when yous're sure y'all will do no more than editing on it, and keep the BMP version on mitt, just in case.

If file size is a major consideration, a JPG can take its byte count adapted with a slide bar which appears when doing File>Save Every bit>(filename).JPG. Experiment to come across how small y'all tin brand a JPG and however maintain a presentable final event.

In addition to manipulating JPG options, the physical size of a film patently affects its final byte count. If you have trouble emailing, say, an 8x10-inch image, how near reducing it to 4x6 — or something in betwixt? Utilise cropping and/or resizing to get the size and aspect ratio y'all want.

Equally for press, if you lot're using a "photo printer" dedicated to outputting standard sizes such every bit 3x5 or 4x6, crop and resize earlier you lot print. Otherwise you can waste a lot of ink printing out acres of, say, the grass and sky which environment a tiny subject field in the heart of the picture.

Using Irfanview with Your Scanner

Irfanview also works beautifully with desktop scanners. Use File>Select Twain Source to make your PC communicate with your scanner, and File>Acquire to do the scanning.

Using Your "PrintScreen" Key

To capture something seen on your Desktop, press PrtScr (the PrintScreen cardinal), followed by opening Irfanview and clicking the Paste Icon. And so you can crop the picture and get to File>Save As, to preserve the paradigm and give it a name, along with using any of the editing steps explained above.