Última actualización el
Dec 29, 2025
Shorten PDF File Size to 450kb Gratis
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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
Note: Integration described on this webpage may temporarily not be available.
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Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
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Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
It was wonderful using the form to fill in my information, however, I was shocked to learn at the end that I am required to joint for a fee or my document would be unprintable. You should notify a person first there is a fee in case they have no money to pay your fee or do not wish to pay when you can print these forms out from many sources and fill in by using a pen.
2014-10-18
Besides being a great product Support is Outstanding
Besides being a great product, I would like to express how good the support is.I worked with Sam for over an hour, He went way above and beyond helping me with my Zapier Integration. Most companies would have just said that is "out of scope" Or "not my problem" Not these guys, they logged into my computer and dove deep into it and fixed my problem. Also keep in mind, I am only on a basic plan and they treated me like I was spending $1000's of dollars with them.
2020-02-04
PDF Filler has been a life-saver
PDF Filler has been a life-saver. It is quite easy to use and the process to edit and download files is also pretty easy.
2021-09-21
Good Features but you have to nothing is for free
I was so delighted by how easy and intuitive this pdf editor is to use.
You upload a word doc you want to convert to pdf or a pdf file that you want to edit. You edit and are very impressed.
Until I tried to save.
It's browser based but it basically does everything you wish you can do to a pdf file. The interface is very intuitive and can get you going n the first sitting.
It will let you edit but you will be unable to save your work until you subscribe.
Not another free trial!
2020-12-11
I apparently came to your website…
I apparently came to your website around a month ago for some reason. I do not remember why... But, for whatever reason, I signed up for a 30 day free trial and gave you my CC number. I rarely ever do something like this... either way, I noticed the charge on my debit card statement over the weekend and this morning addressed it with Thomas from Customer Service. I was a little frustrated by it, he calmly read my chat message and assured me he would take care of it. Within minutes I received an email cancelling the subscription and refunding my money. Thomas was curteous, professional, quick, and thorough. This is the kind of customer service I WISH all companies had. Especially technical type companies where you rarely get to speak with a human or a person that you can understand. Thank you for hiring people like Thomas. Thank you for your customer service policies. If ever, I need a service like this, it will be yours.
2020-09-14
I started using this app this year but…
I started using this app this year but is amazing how easy it to be used just love it I don’t regret changing to this app from adobe
2025-03-12
Shorten PDF File Size to 450KB Feature
Managing large PDF files can be challenging. Whether you need to send documents via email, upload them to a website, or store them conveniently, file size is often a critical factor. Our 'Shorten PDF File Size to 450KB' feature comes to your rescue. This tool helps you compress your PDFs easily, ensuring you have manageable file sizes without compromising quality.
Key Features
Reduce PDF file size to 450KB effectively
Maintain the original quality of the document
Simple and user-friendly interface
Fast processing time for quick results
Compatible with multiple devices and operating systems
Potential Use Cases and Benefits
Emailing large PDF documents without exceeding size limits
Uploading documents to cloud storage or sharing platforms
Improving website load speeds by reducing file sizes
Saving storage space on your devices
Facilitating online submissions for forms or applications
By using our feature, you can solve the problem of cumbersome PDF sizes efficiently. You will enhance your workflow, save time, and improve your document management. No more worries about file size restrictions. Experience the ease of handling your PDFs and enjoy the benefits of a streamlined process.
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
How do I reduce PDF size to 70 %?
Go to the Compress PDF tool. Drag and drop your PDF into the toolbox to reduce the file size. Choose the compression type and click “Compress.” The PDF compression tool will shrink the file down.
How do I compress a PDF to 400kb?
Go to the Compress PDF tool. Drag and drop your PDF file into the tool, choose 'Basic Compression'. Wait for us to work on reducing its file size. Click download to save your PDF document.
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