PDF App Optimize Online For Free

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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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Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

Every PDF tool you need to get documents
done paper-free

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Create & edit PDFs

Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
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Fill out & sign PDF forms

Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
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Organize & convert PDFs

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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Collect data and approvals

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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Export documents with ease

Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
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Store documents safely

Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.

Customer trust by the numbers

64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
Join 64+ million people using paperless workflows to drive productivity and cut costs

Why choose our PDF solution?

Cloud-native PDF editor

Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

Top-rated for ease of use

Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.

Industry-leading customer service

Enjoy peace of mind with an award-winning customer support team always within reach.

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
9/15/16: Hard to find blank forms for completion, but questions are covered well by support folks. Default is yearly subscription, but support folks were able to convert to monthly subscription at desired level. Problem with changing previous form required upgrade to yearly business plan. The erase tool only works with upgraded plans.
Gregory I
2016-09-25
My team of Advocates just LOVE My team of Advocates just LOVE, Love PDF Filler! It's made our job so much easier and our patients love the security and how easy it is for them to sign their documents!
Pamela W.
2019-05-09
The software is easy to navigate and user friendly. Not paying the Adobe prices. The software is very intuitive which is reduces time determining and understanding feature sets about the tool. Some features require a different level of membership which cost more and should be included with the basic package.
Gregg H.
2017-11-14
Easy accurate and helpful! This is an awesome tool for making even the most unprofessional professional. It is easy, concise and easily editable. It is well worth the price.
Paula Lucas
2023-05-10
It's very easy to use. Also the customer service is exceptional. Very responsive to My questions. When I decided I didn't need it anymore, they processed my cancellation quickly and easily.
Marcella D
2022-03-26
Still to early to tell. Until now, all I can say is that the text types could adjust more to the real ones and it could have an option to copy-paste fields through the document. Moving boxes is not that easy, either. Bur overrall it's been great.
Carla P
2022-02-11
It's been great, especially when it comes to using anything that has to do with technology, I'm a non Techie, it's been somewhat easy I'd say.Thanks so much
Jean L
2021-03-01
There was a bit of a learning curve to getting the software's capabilities down, but once I understood how to use the forms feature and whatnot, I find I really enjoy using your software more than I even like Adobe. I think your program has better templates and features than the others I have tried. Bonus points for being lower priced than Adobe while you're at it.
Lydia C
2021-02-01
PDFfiller Great customer response PDFfiller reacted very quickly and positively to my request. I was impressed that their customer team got back to me within minutes with a complete solution to myquery. A very professional team:0)
CardiffMike
2020-11-10

Instructions and Help about PDF App Optimize Online For Free

PDF App Optimize: make editing documents online simple

If you've ever had to submit an affidavit or application form as soon as possible, you already know that doing it online with PDF files is the easiest way. Thanks to PDF editing tools, you will be sure that information in the document is 100% accurate. Having access to a PDF editor gives you the opportunity to edit text, add images and photos, fill out forms and convert PDF files to other formats.

Use pdfFiller to create fillable templates from scratch, or upload and edit an existing one. Export your templates to preferred software solutions to continue where you left off. Convert PDFs to Excel spreadsheets, pictures, Word files and more.

Create legally binding signatures from a photo, with e-signing feature. Access this from all your devices, your signature will be verified all across the United States according to the DESIGN Act.

Discover the numerous features to edit and annotate PDFs on the go. Save documents to the cloud storage to access them across all your devices and secure them from unauthorized use.

Edit PDF files online. Add images, watermarks and checkmarks. Highlight the important parts of a text or blackout what you don’t want to disclose

Fill out forms. Browse the template library to pick the ready-made form for you

Create documents from scratch. Add as many fillable fields as you want. Copy and paste text.

Change the format. Convert PDF files to any format including Word, Excel, Google Docs, Pages and more

Protect with password. Prevent others from accessing your data without a permission

PDF App Optimize Feature

The PDF App Optimize feature streamlines your PDF files, making them easier to store and share. It reduces file size without sacrificing quality, ensuring a smooth user experience.

Key Features

Compresses PDF files to minimize storage needs
Maintains high-quality images and text
User-friendly interface for quick optimizations
Supports batch processing for multiple files
Compatible with various devices and platforms

Potential Use Cases and Benefits

Reduce email attachment sizes for easy sharing
Optimize PDFs for faster loading on websites
Save storage space for better management of documents
Facilitate collaboration by improving upload/download speeds
Enhance accessibility by creating smaller, manageable files

This feature addresses common challenges such as slow sharing and excessive storage use. By optimizing your PDFs, you can work more efficiently and enhance collaboration, saving time and effort.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

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
Answer: To optimize a PDF usually means to reduce the size of the files so that they are more optimal for Internet use. If you work with PDF files, there is a good chance this will be useful to you. By shrinking the size of the file, you can now send the PDFs as email attachments or even a bulk of them.
Most PDF editing/creation software offer an option called Fast Web View or Optimize that allows PDF files to display the first few pages of the PDF file when the document is opened, instead of waiting for the full file to be available. Optimized files are also generally smaller than non-optimized files.
Optimize PDF. Answer: To optimize a PDF usually means to reduce the size of the files so that they are more optimal for Internet use. If you work with PDF files, there is a good chance this will be useful to you. By shrinking the size of the file, you can now send the PDFs as email attachments or even a bulk of them.
Reduce Size PDF is one particular set of settings of the Optimizer. And it is some average setting, but it may or may not really work for you. Optimized PDF is controlled via the Optimizer, where you have full control over the settings, such as image resolution reduction, font embedding, etc.
The compressed file is about 3 MB and the image quality is quite acceptable all throughout, including the smaller images. Though the images in the compressed file are a little blurry, the quality is acceptable as a whole. You're free to change the quartz filter to a higher or lower quality depending on your preferences.
When you compress a PDF file size, you reduce the size of the PDF. Consequently, the file reduction process will result in the creation of files that you can store in the basic database systems without any need to purchase and add a new database drive.
Reduce Size PDF is one particular set of settings of the Optimizer. And it is some average setting, but it may or may not really work for you. Optimized PDF is controlled via the Optimizer, where you have full control over the settings, such as image resolution reduction, font embedding, etc.

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025