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How to Convert IDX Subtitle to .SRT Format

by Kayla Morrison • Sep 05,2019 • Proven solutions

What is IDX?Well, a file that has IDX file extension could be a movie subtitle file used with videos to contain the text displayed in the subtitles. These file extensions are similar to SRT and SUB subtitle formats and are also known as VobSub files.Unlike SRT files, SUB+IDX files direct the player where to put the subtitles on the screen besides giving them various font types and color, e.g. bold, italics, etc. You can display the Captions near the person who is speaking, making it easier to follow up the conversion in the video.

However, this file format combination is only suitable for modern-day players like GPM, POT Player, and VLC but not compatible with phones, casting devices, and televisions. Hence you need to convert IDX to SRT format.With crucial perfect synching troubles and the fact that IDX+SUB files are not text but images, the conversion from IDX to SRT can be a real pain in the neck. Thus, in this article, we look at some of the best ways to get things done with some ease.

What is a subtitle - Subtitle is the most common means of translating (mostly a video document) into another language, which makes the other language people enjoy it like they understand everything. Consider the example like, subtitled foreign language films or even TV-series. Subtitles are most suitable and most commonly used for pre-recorded videos, movies, and TV shows.There are many ways in which they help us and thus are extensively relied on by viewers.

Part 1. How to Free Convert IDX to .SRT

VobSub's IDX and SUB subtitle format has become very popular thanks to its flexibility and very compatible nature with most media players. However, with older formats like AVI, wherein subs need to be in text format and not images like VobSub rips from a DVD, there is some conversion required. Luckily, VobSub has a tool that makes the conversion from IDX SUB to SRT easier.You can convert through a process referred to as Optical Character Recognition (OCR). It allows the computer to 'read' the text and output the results.So let me give you a step-by-step guide to getting IDX file to .SRT format.

Step 1: Start VobSub

To convert subtitles, the program to be used is SubResync. It is ideal for pretty much a lot besides adequately fixing sync problems.

start vobsub program

Step 2: Open Subtitles

Load the subtitles into SubResync. Then click Open to browse your subtitle file. Ensure you've got the correct framerate specified; for most NTSCvideo from film sources, it will be 23.976fps while from a video camera it will be 29.97. PAL usually uses 25fps. It is crucial to get this part right since it can cause synch problems in the future.

load subresync

Step 3: Examine the Images

A list of timecodes will appear. These represent when the subtitles are displayed. Clicking on one of them, in the left column, displays the image that will get converted to text via OCR. You have to be very keen and alert to get accurate results.

examine the images

Step 4: Choose a Destination

Now, select a folder for your new subtitle file, click the Save As and browse the folder a preferred destination for the output to be stored. Ensure you set the format to SRT. There's also another option to Clear image>Letters database to reset any OCR information set in previous cases.

choose a destination

Step 5: Optical Character Recognition (OCR)

Click Save, so that SubResync performs OCR and shows you areas it's not sure. To solve this, type the character displayed in the box and tap on Add button. In the beginning, many questions become fewer as SubResync learns how the characters look.Finally, once the OCR process is complete, you will have a brand new SRT subtitle file to use in any program that supports the format.

optical character recognition

Part 2. How to Convert IDX SUB to .SRT Online

One such online subtitle tool is Subtitletools. It offers quite many different online tools like subtitle translation, IDX to SRT online conversion, synchronization, progressive, and straightforward delay. Other online subtitle tools are YouTube-based subtitle creator and subtitle combination tool to learn languages too.

Now let us look at a step-by-step guide to convert VobSub to SRT online below:

Step 1: Download Convert IDX to SRT Tool

convert vobsub srt online

Step 2: On the interface, you will see two options; one is to upload the subfile and another one to upload the IDX file. To avoid errors while importing the subtitles, ensure the IDX file is in the same directory with the same name file name as that of the SUB file.

upload the subfile

Step 3: When you select to choose the Sub and IDX files, then, the software will upload them to convert SUB/IDX to SRT subtitles. Once all done, click the Convert to SRT/span> button to start the conversion process.

Step 4: Finally, once the process is over, save the results as an SRT file format.

Part 3: How to Add SRT to Video (External Reading)

As discussed above, an SRT file is a text-based subtitle file that combines a video track to help users get a better understanding of a video they're watching. Now, what happens when you download a video file from the Internet and find out it doesn't have subtitles?Well, you don't have to painfully get rid of the video thanks to the ability to add SRT subtitle to videos. It is possible with the Wondershare Uniconverter.

Let's look at the software's features outlined below:

best subtitle tool Wondershare UniConverter - Best Subtitle Tool MOV Mac/Windows (Catalina Included)

wondershare uniconverter
  • You can combine SRT with the VIDEO file: you can merge SRT with video faster and maintain the video quality.
  • Enrich videos with effects: before merging, you can personalize the videos by rotating, trimming, cropping or adding watermarks.
  • It acts as an advanced all-in-one toolkit: besides adding SRT to video, you can also convert videos in any format, burn DVD, and download YouTube videos.
  • Add metadata to video files: You can add metadata to video files for enhanced playback videos on Apple gadgets.
safe mov video converter free download Security Verified. 5,481,347 people have downloaded it.

Now, let's get started on the merging!

Step 1 Run the Software and Import Videos Files

On launching Wondershare UniConverter, go to Convert section and tap on the Add Files or rather drag the data from an already open folder to the program.

import videos files

Step 2 Hardcore SRT to Video

Tap on the Effect icon under every video. In the editing window, select the Subtitle tab then tap on the (...) button to browse and load SRT files from your PC. Click the OK.

find subtitle button

Step 3 Add SRT Subtitle to Video

Ensure the Format icon appears as MP4 (or desired one) format. Otherwise, click on the Convert All Files To icon on the right side to choose the video from the format list as its output formats. Then tap the Convert button to convert SRT subs to video files. Finally, find the new video file with the SRT subtitle in the output folder.

choose output mp4

If you want the most suitable software to help, you can convert IDX to SRT, then we recommend Wondershare UniConverter. It is excellent for adding SRT subtitles to your video file whenever you need the merge and works efficiently on both Mac and Windows.

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Kayla Morrison

Kayla Morrison

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