Shorten Excel File Size to 40kb For Free
Drop document here to upload
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.
0
Forms filled
0
Forms signed
0
Forms sent
Last updated on
Dec 29, 2025
Try these PDF tools
Edit PDF
Quickly edit and annotate PDFs online.
Start now
Sign
eSign documents from anywhere.
Start now
Request signatures
Send a document for eSignature.
Start now
Share
Instantly send PDFs for review and editing.
Start now
Merge
Combine multiple PDFs into one.
Start now
Rearrange
Rearrange pages in a PDF document.
Start now
Compress
Compress PDFs to reduce their size.
Start now
Convert
Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.
Start now
Create from scratch
Start with a blank page.
Start now
Edit DOC
Edit Word documents.
Start now
Discover the simplicity of processing PDFs online
Upload your document in seconds
Fill out, edit, or eSign your PDF hassle-free
Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
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.
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.
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.
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.
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.
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:
Everything has worked great and while I honestly don't know what there are companies that still use Fax, they do exist and I need to work with them. Love PDFfiller and everything it provides.
2016-01-04
Once you get the hang of it and learn how to save without losing the entire document filled in its great, A word to each customer be sure to save each individual page or else you lose all your inputted information.
2018-09-14
No encuentro como ver siempre la página en Español, en ingles se me dificulta mucho aún y no puedo hacer uso de todas las herramientas
2020-03-27
Pdffiller is the best
Pdffiller is the best, i tried quite a few trial versions and those who claim they are free but it took me days to redact one document. With pdffiller i redacted my documents in minutes..Really good, powerful and easy to use.
2019-11-18
I simply just love it....
I can use it on the GO and there is no need for me to have a printer.
It's very easy to use and I can just access anywhere, All I have to do is simply just fill it out, save it and email it.... Who needs a printer.
2017-11-14
wont be able to afford for long but man…
wont be able to afford for long but man its the best thing ever if it can help me with google documents appropriately
2023-09-15
Shorten Excel File Size to 40KB Feature
Managing large Excel files can be challenging. With the Shorten Excel File Size to 40KB feature, you can keep your files manageable, making them easier to share and open. This tool efficiently reduces file size without sacrificing essential data.
Key Features
Reduces Excel file size to a maximum of 40KB
Maintains data integrity and formatting
User-friendly interface for quick processing
Compatible with various Excel versions
Supports multiple file types including .xls and .xlsx
Use Cases and Benefits
Ideal for email attachments and file sharing
Facilitates faster loading and saving times
Helps in compliance with company or email size limitations
Aids in performance improvement for large datasets
Enhances collaboration by allowing easier access to files
This feature addresses common issues such as file bloat and slow performance. By compressing your Excel files, you can enjoy seamless sharing and quicker access, ultimately streamlining your workflow. Take control of your file sizes and enhance your productivity today.
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 get rid of unnecessary rows and columns in Excel?
Delete Blank Cells in Excel Select the cell range, and then select Edit-Go To and click the Special button. Choose Blanks and select the OK button to confirm. Right mouse click on the selected empty cell, choose Delete and Entire row. After pressing the OK button all rows with empty cells in excel mac will be deleted.
How do you decrease the size of an Excel file?
Ways to Reduce Excel File Size Remove unnecessary worksheets, data, and formulas. The number of worksheets and the amount of data contained in an Excel file are directly related to the size of the file. Remove formatting. Remove Pivot Cache. Save in binary format (. Compress the file.
How do you decrease KB on a picture?
Compress a picture Select the picture you want to compress. Click the Picture Tools Format tab, and then click Compress Pictures. Do one of the following: To compress your pictures for insertion into a document, under Resolution, click Print. Click OK, and name and save the compressed picture somewhere you can find it.
How do I reduce the size of an Excel file to remove blank rows?
To remove all empty cells, follow these steps: Press CTRL + SHIFT + RIGHT ARROW key to select all the columns after this one, up to the end of the empty columns. Then press right-click and select Delete.
How can I reduce my Excel file size?
Reduce the number of worksheets If you have worksheets with data that you're not using—and that don't contain any formulas you're using—delete them from the spreadsheet. The more data points you have in your workbook, the larger your file size will be. Removing unused data will reduce your file size.
How do I remove thousands of rows in Excel?
There is also a very handy keyboard shortcut to delete rows (columns or cells). Press Ctrl + – on the keyboard. That's it!
#1 usability according to G2
Try the PDF solution that respects your time.