When comparing Advanced Renamer vs FlashRenamer, the Slant community recommends Advanced Renamer for most people. In the question“What are the best bulk rename tools for Windows?” Advanced Renamer is ranked 4th while FlashRenamer is ranked 8th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Easily composable rules and priority ordering
Pro It does almost everything and it uses regular expressions and wildcards
Pro Portable version available
Pro Very user friendly
Pro Very user friendly
Pro Never encountered anything the program doesn't do.
Pro Regular updates and forum support
Pro All-in-one batch file rename utility
Pro Easy to use functions
Pro Complete set of music features
Supports mp3, ogg vorbis, wma, mp4, flac, mpc, spx, tta, wv and more. You can also write tags based on filename.
Pro Search and replace within filenames
Pro Power users' functions
You can create your own rename rules with scripting, rename according to CSV lists, rearrange parts of the filenames, edit filenames in the text editor, extract media properties & metadata, such as width/height and duration. It is also possible to extend FlashRenamer with ExifTool for thousands of more properties and tags.
Pro Realtime preview shows changes before you actually rename
Pro Unlimited undo
Pro Fast and customizable
You can right-click context menus to quickly access FR when you need it, and save your favorite commands as presets.
Cons
Con No great support
You may not receive any answer to your emails.
Con More advanced renames (such as presets and scripts) require some learning
And research to do the learning in the first place. It's not in-app.