Free macOS app · by CodeByZ

MemoryString

The no-bullshit Mac slideshow app for cinematic photo & video stories. Free to use. The only one of its kind you'll ever need.

Download for Mac Watch a demo Send feedback

Version 0.9.7 · macOS 13+ · ~176M · standalone installer · App Store release in a month or two

Watch a demo

A walkthrough of the app, then the “Memories” slideshow it exported.

How to use MemoryString

The exported slideshow

Where it stands

MemoryString is grown up now — it's free, it's fast, and it's used to make real slideshows every week. A few small bugs still turn up, and they get fixed. Next up: the Mac App Store, in a month or two. Feedback welcome.

Build cinematic slideshows on your Mac

MemoryString is a Mac app for turning your photos and videos into polished slideshows — with music, titles, effects, and a timeline that stays out of your way.

Everything runs on-device with your local media. No subscriptions. No cloud lock-in. Completely free to use.

Highlights

The essentials for cinematic photo and video slideshows — without the bloat.

Import photos, videos, folders, and music
Timeline editing with trim, mute, titles, and effects
Deck-of-cards sequences and cinematic looks
Music playlist plus a built-in royalty-free library
Export to MP4 — all on-device with your local media

Free. No BS.

MemoryString is completely free to use. If something sucks, tell me. If you have an idea, tell me. Bugs, suggestions, wild requests — all welcome at zacky@codebyz.com.

Download MemoryString

Version 0.9.7 · macOS 13+ · ~176M

Standalone macOS installer — App Store version coming in a month or two.

Download for Mac

Coming next

Honest roadmap. No vaporware.

Mac App Store

An official App Store release is coming in a month or two.

Polish & bug fixes

Small bugs still turn up. They get fixed fast, and the rough edges keep getting smoother.

Windows — unlikely

No Windows version planned. The Mac app is where the focus stays.

Quick answers

Music rights: Use music you have rights to, or pick from the built-in royalty-free library.
Privacy: Your media stays on your Mac. Editing and export run locally.
New name: MemoryString was previously released as MemoryFlow. Same app, same free license — better name.
Feedback: Email zacky@codebyz.com with bugs, ideas, or anything else.

Proprietary product of Zacky Pickholz. codebyz.com