Fixes macOS Preview garbled annotations

Last update: Dec 30, 2022

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Overview

PDF Annotation Fixer

macOS Preview sometimes 'forgets' about annotations that were added to a PDF file. This can be particularly frustrating after providing feedback on a draft for many hours, just to loose the precious annotations when closing and re-opening the file.

This tool attempts to fix the annotations based on a technique described by 'thorimur'.

How to use

You can either use the command line app or try the web app hosted on GitHub Pages.

Web App

Thanks to WebAssembly, you can also use this tool from the browser here.

The web app runs entirely in the browser and the PDF is never sent anywhere.

The source code can be found under web-app directory of this repository.

Command Line

You need to have a working rust toolchain installed.

Then just run the program using cargo:

~ cargo run -- my_messed_up.pdf fixed.pdf
# ...
recovered 188 annotations

Comments

Trying to get this to work

Hi there. Thanks for building this tool. I'm trying to use it but was unsuccessful. Would you mind providing more detailed instructions? I installed Rust per the link you provided, but now I'm getting "no permission" and "command not found" errors when copy pasting '~ cargo run -- my_messed_up.pdf fixed.pdf'. Any advice?

opened by andrewthedina 11
ERROR: page annotations is not an array
Hi,

After successfully cloning the repo and installing rust, I'm trying to run a pdf which has some annotations added in preview that doesn't appear when I open the pdf. Crashed pdf file is inside the project folder (and is attached here). crash.pdf

cargo run -- crash.pdf test.pdf

But I'm getting

barretto@virus pdf_annotation_fix % cargo run -- crash.pdf test.pdf Finished dev [unoptimized + debuginfo] target(s) in 0.05s Running `target/debug/pdf_annotation_fix crash.pdf teste.pdf` Error: page annotations is not an array Caused by: An object does not have the expected type

Any hints on how to get over this error or is it a bug?

crash.pdf
opened by fbarretto 3
Not working with some anotations?

Hello ! I had this weird bug as well on Preview & tried to run your script (on the web app) to repear my PDF, it didn't find any note (I have about 40 anotations that disappeared in a 1 page pdf, this is quite annoying) However, if I open my PDF in textedit, I find the notes in the "code" of the PDF .

This is example of code of my disappeared anotations : /AP << /N 1073 0 R >> /Contents (Insert 2 \(from - to\))

Could you help? I would really like to recover my specs doc instead of re-doing it again :)

I can't show PDF here as it contains confidential infos..

opened by homegourmet 0
Missing something in my Rust installation
When I try to compile your app, I get a Rust error:

error: failed to parse manifest at `/Users/headless/Desktop/Vacasa/Cargo.toml` Caused by: no targets specified in the manifest either src/lib.rs, src/main.rs, a [lib] section, or [[bin]] section must be present

I'm a noob to programming, but clearing I'm missing some configuration or dependencies?

How do I fix this issue?

Thanks

PS: It should be noted that after installing Rust and their RLS, I was getting this message:

cargo run -- /Users/headless/Desktop/Vacasa/Luna\ Inspection.pdf ~/Desktop/Vacasa/Luna\ fixed.pdf error: could not find `Cargo.toml` in `/Users/headless/Desktop/Vacasa` or any parent directory

So I went to Rust's site where they mention needing to create a Cargo.toml file for your project.

I did Cargo run and got a .toml in my project directory, but am unsure what to put into the file for proper execution of your app.
opened by rkworden 0
Header error parsing pdf file in web app
Opening a pdf that was annotated in Big Sur. Upon uploading the document and pressing "Save Recovered", I get this error:

unable to parse pdf document Caused by: Invalid file header

Shoot me your email address and I will forward the actual document to you

Many thanks

.
opened by rkworden 0
Rectangular annotations are not detected

Although visible in Preview, the red dashed rectangles I have added to the below document do not appear in other PDF editors. Please let me know if this is not the intended function, but unfortunately the web-app does not detect the annotations suppdocA.pdf .

opened by fluxtransistor 1

Owner

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