There is an amazing script made by Mars Premedia that does exactly this. It can be used for PDFs, JPGs & PNGs. If you use the script often, it's incredibly affordable and will pay for itself in no time! A "single-user perpetual license" can be purchased here: https://www.marspremedia.com/software/indesign/export-named-pages

There are also 2 YouTube video tutorials created by the maker of this product. It's fantastic! The first is the original & the second video contains updated material from one of the most recent updates:
https://www.youtube.com/watch?v=3ldKqt1p14k
https://www.youtube.com/watch?v=DpBKyBRBJtw

Just thought I'd chime in here--plenty of people need to output digital assets from InDesign, especially now during the pandemic when less and less printing is happening. That script from marspremedia is great but we really need built-in output features on the level of Photoshop.

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Come on, Adobe! Why is this not available? It would be so useful for anyone creating social media ads of different shapes & sizes in one file. It's almost available - I think you can sort of do it when you export to seperate pdf files & can create a suffix based on size. Just go another step on this and create a way to export to jpeg- either based on custom size names or Custom master page names. Seems perfectly reasonable!

Yes, please!!

Just coming here to say I wish InDesign would add this feature next. I spend so much time renaming JPGS every month!

This script does the job perfectly... wish I'd known about it years ago!!!!

https://www.marspremedia.com/software/indesign/export-named-pages

All you need is this brilliant script:
https://www.marspremedia.com/software/indesign/export-named-pages

maybe the solution is use XD instead of Indesign ? I have the same issue but let's try to think out of the box (op doing banners in indesign sounds not like a good ID as indesign is principaly for print)

I love having this ability in Illustrator. It would make things much easier in InDesign to have this feature available!

Please add this feature! I love using the indesign interface to produce multiple files of a type, and this would save me a ton of time in renaming my files.

I would love this! Like naming art boards in Illustrator. I often create social media graphics and then make one for each employee using a data merge. It would be great if they exported with the person's name.

would be a really useful feature to have when you have 40 employee cv sheets in one file and need to export pdfs

Chiming in to say that everyone who does agency work wants this too (badly).

YES. This!!!!

Why is this not a thing yet?? So much time spent on re-naming hundreds of jpegs once exported!!

Why is this not a thing yet?

use renamer app:)

Custom page names are very often needed!
Thank you for considering this a new feature!

I've got an AppleScript that can export individually named single paged PDFs, JPEGs and/or PNGs. There are 4 different methods to name each file: 1. <filename> + page number, 2. using the first instance of a given character style on each page, 3. the same for a paragraph style or 4. using a CSV file with a list of filenames.

There's a free version available that is limited to 10 pages at a time, the paid version is $9.99 which pays for the occasional coffee :) See https://www.drscripto.com/export-pages-to-individually-named-pdfs/