PDFMove

Blog

Guides, tips and comparisons on processing PDFs, images, audio and video.

Guide

What Is Converting JPG to BMP Actually Good For?

What this conversion really gives you and what it does not: why quality does not improve, why the file grows, and which systems still expect BMP input.

5 min read

Guide

Why Does Switching from JPG to AVIF Shrink the File?

The technical reasons AVIF is more efficient than JPG: the AV1 codec's intra-frame coding, variable block sizes, and the price you pay for that efficiency.

6 min read

How-To

Batch Converting JPG Photos to WEBP: A Hands-On Guide

A guide to cutting page weight by converting a folder full of JPGs to WEBP. Quality settings, batch processing strategy and post-conversion verification steps.

5 min read

How-To

How Do You Convert a JPG File to TIFF?

A guide to converting JPG to TIFF: when print and archive workflows require it, what it gains you and what it does not. Step by step, with realistic expectations.

5 min read

How-To

How to Convert a JPG File to PNG: Step by Step, With Realistic Expectations

How do you convert JPG to PNG, what actually happens during the conversion, why does the file get bigger, and when does this conversion genuinely help you? A hands-on guide.

5 min read

How-To

How Do You Convert a JPG File to BMP?

The steps for converting JPG to BMP and what you need to know first: why the file becomes enormous, why quality never improves, and whether this conversion is really necessary.

5 min read

How-To

How Do You Convert a JPG File to AVIF?

A guide to speeding up your pages by converting JPG images to AVIF: the quality setting, compatibility risk, keeping a JPG fallback and batch conversion advice.

6 min read

Guide

Why Doesn't Quality Come Back When You Switch From JPG to PNG?

What is the difference between lossy and lossless compression, why does JPG degrade with every save, and why doesn't converting to PNG repair that damage? A technical but readable explanation.

5 min read

How-To

Converting iPhone HEIC Photos to JPG

If the HEIC photos you transferred from your iPhone will not open on Windows or in some system, converting to JPG is the fix. A step-by-step guide and realistic expectations about quality.

5 min read

Guide

HEIC and WEBP: How Two Modern Formats Differ

How do HEIC and WEBP work, what technology sits underneath them, where are they supported, and why does one dominate on phones while the other dominates on the web? A technical but readable comparison.

5 min read

Guide

What Converting HEIC to PNG Really Buys You, and What It Costs

What do you technically gain and lose when you convert HEIC to PNG? The real difference between lossy and lossless compression, and why the file size cost shows up.

5 min read

Guide

What Is HEIC and Why Doesn't It Open on Windows?

Why is HEIC, the iPhone's default photo format, so efficient, why does it cause trouble outside Apple, and what should you do in practice? A technical explanation and the ways around it.

6 min read

How-To

Saving a HEIC Photo as PNG: A Step-by-Step Guide

How to save HEIC photos from your iPhone as PNG, what actually happens during the conversion, why the file gets bigger, and which jobs genuinely need it.

5 min read

Comparison

HEIC Photos: Does PNG or JPG Make More Sense?

How do you choose between PNG and JPG when converting HEIC photos from your iPhone? A comparison based on quality, file size, transparency and real use cases.

4 min read

How-To

Converting a HEIC Archive to WEBP to Save Space: A Practical Guide

Convert your HEIC photo archive from your iPhone to WEBP to solve the compatibility problem while keeping file sizes reasonable. Step by step, with realistic expectations.

5 min read

Guide

What Exactly Do You Lose Converting GIF to JPG?

What happens to the animation, the transparency and the colours when you convert a GIF to JPG? A technical account of where the loss occurs and what never comes back.

5 min read

How-To

Exporting a GIF Frame as PNG: Step by Step

A guide to extracting a PNG from an animated or static GIF. Which frame to pick, whether quality is lost, why transparent edges stay jagged and what you can do about it.

5 min read

Guide

GIF's 256-Colour Limit and the Move to PNG

Why does GIF carry only 256 colours, what damage does that limit cause in photographs, and which of those problems does moving to PNG actually fix?

5 min read

How-To

Converting GIF to JPG and Picking the Right Frame

How to convert an animated or single-frame GIF to JPG, which frame gets chosen, what happens to the animation and what you should expect from the output. A practical step-by-step guide.

6 min read

Comparison

Converting a Photographic GIF: JPG or PNG?

Should you convert a GIF made from a photograph to JPG or to PNG? A comparative decision guide covering file size, colour fidelity, dithering patterns and transparency.

5 min read

Guide

What Is FLV? Why This Format Was Abandoned Entirely After Flash

How did the FLV container work, which codecs did it carry, and why did it vanish when Flash shut down? What does it mean for the old FLV files you have?

6 min read

Comparison

FLV to MP4: Remux or Transcode? A Comparison of the Two Paths

Will your FLV file be moved to MP4 losslessly, or re-encoded? We compare the two methods on speed, quality and outcome, and explain which one is waiting for you.

6 min read

How-To

A Guide to Converting an FLV File to MP4: Step by Step, With Fixes

How do you convert your old FLV videos to MP4? Pre-conversion checks, the process step by step, whether there will be quality loss, and the errors you may run into.

6 min read

How-To

How to Convert FLAC to WAV: A Guide for Editing and Compatibility

Steps for converting FLAC files to WAV, sample rate and bit depth settings, the tag loss problem, and what to expect in terms of file size.

6 min read