Converting a TXT file to PDF online is convenient when you need a quick result without installing software. However, online tools often come with limitations such as file size restrictions, privacy concerns, unstable formatting, or ads.
If you prefer a more stable and private solution, UPDF is an offline TXT to PDF converter that now supports direct TXT file conversion. You can simply drag and drop a TXT file into UPDF, and it will be automatically converted into a PDF—no internet connection required.
👉 Download UPDF to convert TXT files to PDF offline with better control and security.
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Part 1. 5 Best TXT to PDF Converters Free Online
Below are our top 5 picks for TXT to PDF converter tools that you may use online for free. However, you may find some limitations in the free version of these online tools. So, this comparison will not only cover their features but also discuss the free version limitations and pricing of these tools.
1. Online-convert

Online-Convert is an online file conversion tool, as the name says, and it is very efficient for converting TXT files to PDF format. It stands out with the features it has for this conversion, including basic conversion and conversion with OCR. Users get to apply filters for conversion, and there are optional Deskew features as well for when you need to convert an image.
With some great features, it does have some limitations like size limitation, free tasks limitation, etc.
Key Features:
Online-Convert has many other features apart from TXT to PDF conversion, which include:
- Audio conversion
- Document conversion
- Video and image conversion
- File compressing
- OCR
Free Version Limitations:
- Maximum document size is 15MB
- Queued task priority
- Limited daily free tasks
Price:
$8 per month for the Professional plan.
2. PDFCandy

PDFCandy provides a simple online option for converting TXT to PDF. This application is well-known for its simplicity in enabling quick conversions without the need for program installation. Users can easily upload TXT files and have them converted to PDF format.
One problem with PDFCandy is that it really doesn't have much in the way of formatting for PDF output.
Key Features:
There are a lot of other features you can use with PDFCandy, which include:
- Edit PDF
- Compress PDF
- Merge PDF
- Extract PDF images
- Protect PDF
Free Version Limitations:
- Limited file size
- Queued priority
- Hourly task limits
Price:
$6 per month for Web plan
3. ONLINE2PDF

Online2PDF is easy to use and boasts some other document editing functions. But you can only post file sizes of up to 150 MB. But this program is very convenient for those users who need to convert plain text files into PDF format without installing any software. It's easy to use, but the limit on file size could be tricky for those with larger papers.
Key Features:
Some of the best features Online2PDF has to offer apart from conversions include:
- File compression
- File protection
- Header and Footer editing
- Layout editing
- Page Extraction
Free Version Limitations:
- Max size for 1 file: 100MB
- Max number of files for batch: 20
- Maximum total file size 150MB
Price:
Free
4. PDF24 Tools

PDF24 Tools is free, simple and doesn't require program installation. It is compatible with virtually all operating systems and browsers, so it has excellent accessibility. To ensure security, it employs SSL-encrypted file transfers and automatically removes its files from servers after an hour.
There is also the disadvantage of requiring an online connection for conversion, though this can be bypassed offline using PDF24 Tools version (though currently only available to Windows users).
Key Features:
PDF24 Tools is a comprehensive tool with lots of PDF features like the following:
- PDF Compressing
- Webpage to PDF
- PDF Redact
- Flatten PDF
- Unlock PDF
Free Version Limitations:
- No limits
Price:
Free
5. AvePDF

AvePDF's TXT to PDF converter makes it simple and quick to convert text files to PDF format. Font, font size, and text alignment can be set to the user's preference, or a variety of document sizes can be selected. Custom dimensions and margins may also be specified. The conversion procedure is straightforward: After you've uploaded the file, select your options and convert.
One major drawback is the maximum file size of 128 MB. Furthermore, AvePDF protects data with robust encryption and automatically deletes documents from their servers after 30 minutes.
Key Features:
You can do a lot more with AvePDF by using the following features it offers:
- Combine PDF
- Organize PDF
- Edit PDF
- Protect PDF
- Optimize PDF
Free Version Limitations:
- Maximum file size limit: 128MB
- Limited free tasks
- Maximum 2 tasks in 6 hours
- Maximum 10 files in one task
Price:
$60 per year
Part 2. Convert TXT to PDF Offline with UPDF
While online TXT to PDF converters are useful for quick tasks, they may not always deliver consistent formatting or data security. For users who prefer an offline solution, UPDF now supports direct TXT to PDF conversion, making it a practical alternative to online tools.
With UPDF, you don't need to upload files to a server. Simply drag and drop a TXT file into the UPDF interface, and it will be automatically converted into a PDF document. Once the conversion is complete, click Save to store the PDF on your device.
This offline workflow is especially helpful when working with sensitive text files, large TXT documents, or when you don’t have a stable internet connection.
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UPDF not only supports TXT-to-PDF conversion, it also supports converting Word, Excel, PowerPoint, images, CAJ, and clipboard.

Moreover, UPDF is an all-in-one PDF editor that allows you to edit, annotate, convert, AI chat with your PDFs. You can learn more about UPDF and its qualities by reading the wccftech review about UPDF. For a convenient learning experience to explore much more about UPDF, you can watch this video review of UPDF:
Final words
Online TXT to PDF converters are a convenient choice for quick and occasional file conversions, especially when you don’t want to install software. However, they often come with trade-offs such as upload limits, formatting issues, and potential privacy concerns.
If you need a more reliable and secure solution, UPDF offers an offline way to convert TXT files to PDF with stable results and full control over your documents. By simply dragging and dropping a TXT file into UPDF, you can complete the conversion locally and save the PDF instantly.
For users who regularly work with text files or prefer an offline workflow, downloading UPDF is a practical alternative to online TXT to PDF converters.
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