Split and Merge CSV Files
CSV Splitter and Merger Software
CSV Splitter and Merger divides a large CSV file into smaller files and joins many CSV files into one. Add your files, select split or merge settings and save the result.
- Split by rows or file size
- Merge many CSV files
- Header row kept
- Windows and Mac editions
- Free DemoTest before you buy
- 30 Day RefundDemo test comes first
- Card or PayPalHosted store checkout
- Fast License KeySent by email
- 24x7 SupportChat and email
1Is this my case?
Which Cases Need a CSV Splitter and Merger?
Find your case below. RecoveryTools software splits or merges your CSV files and keeps your data intact.
- Excel Cannot Open the FileYour CSV holds more rows than a spreadsheet can load.
- Import FailsAn app rejects a CSV file above its size limit.
- File Is Too HeavyA CSV of gigabytes takes too long to email or upload.
- Reports Sit in PiecesMonthly CSV exports need to become one file.
- Teams Need Equal PartsYou want files with the same number of rows for every person.
- Headers Must StayEvery smaller file needs the original header row.
Split by Rows or Size
Divide large files into parts you can open.
Merge Many Files
Join CSV files into one.
Header Kept
Every output file keeps your structure.
CSV Splitter and Merger works offline and needs no Excel or database on your computer.
Free demo mode covers 25 rows in a CSV file.
2What changes?
What Changes After the Recovery?
Before
- CSV file too large to open
- Imports stopped by size limits
- Hours spent copying rows by hand
After
- Smaller files that open fast
- Many files joined in one pass
- Header and delimiters kept
3What can it do?
Which Features Come With CSV Splitter and Merger?
Add the file, set your clues and recover the password from one window.
Split by Rows
Divide a file by record count, starting at 10 rows.
Split by File Size
Set a size limit for files from 10 KB up to 2 GB.
Standard Merge
Join CSV files from Excel, Google Sheets and other sources.
Matching Columns Only
Merge files only when their column structure matches.
Primary File Setting
Select a primary file to set the structure of the merged file.
Header Kept
Keep the header, rows and delimiters of the original data.
Files or Folders
Add single files or full folders in one batch.
Offline Work
Process data on your computer with no sign up.
Status Report
Save a split or merge report and a CSV log.
4Is it easy?
How to Use CSV Splitter and Merger in 4 Steps
Test the software in the free demo. Buy the license when you want the full result.
- 1Download
Install the Demo
Download the installer and install it on your Windows or Mac computer.
- 2Add
Add Files or Folders
Click Add File or Add Folder and select your CSV files.
- 3Choose
Select Split or Merge
Select Split by Size, Split by Record or the merge option and set the values.
- 4Save
Save the Output
Select the destination folder and click Split or Merge.
Screenshots of every step sit in the CSV Splitter and Merger guide.
5What will I see?
Which Screens Does the Software Show?
Follow the path from the first screen to the finished result.
Add Your CSV Files
Load files or a folder into the software.
Choose Your Settings
Select a split method or the merge options.
Save the Result
Select the output folder and finish the split or merge.
6Demo or full?
Free Demo vs Full Version
See where the free demo stops and what a license adds.
| Feature | Free Demo | Full Version |
|---|---|---|
| Split by rows or size | Yes | Yes |
| Merge many CSV files | Yes | Yes |
| Header row kept | Yes | Yes |
| Rows handled | 25 per file | All rows |
| Price | Free | From $29 |
7Will it fit my system?
System Requirements for CSV Splitter and Merger
| Product Version | 3.0 for Windows and 3.0 for Mac |
|---|---|
| Download Size | 75.8 MB for Windows and 25.5 MB for Mac |
| Product Type | Desktop software that splits and merges CSV files |
| Input Files | CSV files from 10 KB up to 2 GB |
| Output | Smaller or merged CSV files plus a status report |
| Split Methods | By record count from 10 rows or by file size |
| Windows | Windows 11 and 10 in 64 bit |
| Mac | macOS 10.8 and later on Intel and Apple Silicon |
| RAM and Disk Space | 4 GB RAM with 100 MB of free space |
| Pre Requisite | Microsoft .NET Framework 4.5 on Windows. US region and English language on Mac |
| Demo Limit | Handles 25 rows of every CSV |
8What is the price?
How Much Does CSV Splitter and Merger Cost?
Choose the license by the number of computers. Prices are in US dollars.
1 Computer
$29
- Home and private use
- 1 year of free updates
- Unlimited 24x7 support
Up to 100 Computers
$99
- One location in one country
- 1 year of free updates
- Unlimited 24x7 support
Up to 500 Computers
$199
- Offices in many places
- 1 year of free updates
- Unlimited 24x7 support
Mac edition licenses cost the same $29, $99 and $199. Buy the Mac edition license or download the Mac edition demo. See more savings on the RecoveryTools offers page.
9Is it safe?
Can You Trust the Software With Your CSV Data?
See Results First
Test the free demo on a copy of your CSV file and check the result before you pay.
In Business Since 2007
RecoveryTools stands on a company that began in 2007 and now helps users in over 100 countries. Find more about RecoveryTools.
ISO Certified
Standards ISO 9001:2015 for quality and ISO/IEC 27001:2013 for information security back the company. See the awards and certifications page.
Terms in Plain Sight
Refund, privacy and usage terms are public before you pay. See the refund policy, privacy policy and terms of use.
10Need a hand?
Where to Get Help With Your CSV Files
Support engineers answer questions before and after you buy. Visit the RecoveryTools support center for phone numbers and more ways to get help.
Live Chat
Talk to an expert on live chat at any hour.
Email Support
Email support@systoolsgroup.com with your CSV file details and the error message.
Remote Session
An expert connects to your computer and solves a hard case for you.
Step by Step Guide
Follow the user guide for the load, preview and export screens.
11Still have a question?
Questions About Splitting and Merging CSV Files
Can I split a large CSV file?
Yes. Click Add File or Add Folder, select Split by Size or Split by Record and click Split.
Can I merge many CSV files into one?
Yes. Add the files or a folder, select the merge options and save the merged file.
What size of CSV file works?
Files from 10 KB up to 2 GB work for size based splitting. Record based splitting starts at 10 rows.
Does the header row stay in every file?
Yes. Software keeps the header, rows and delimiters of your original data.
What does the primary file setting do?
Primary file sets the structure that the merged file follows.
What happens when column structures differ?
Software merges files only when their column structures match.
Do I need Excel installed?
No. Software works offline and needs no other application.
Can I process many files at once?
Yes. Add a folder to process many CSV files in one batch.
Does the software save a report?
Yes. Software saves a status report and a log in CSV format.
What does the free demo do?
Free demo mode limits you to 25 rows per file. Full version handles every row.
Is there a Mac edition?
Yes. Mac edition 3.0 works on macOS 10.8 and later on Intel and Apple Silicon. Set the system region to United States and the language to English. Get the Mac edition demo or the Mac edition license.
Which Windows versions work?
Windows 11 and 10 in 64 bit work. Install Microsoft .NET Framework 4.5 first.
How much does CSV Splitter and Merger cost?
Personal costs $29 for 1 computer. Business costs $99 for up to 100 computers. Enterprise costs $199 for up to 500 computers. Mac edition licenses cost the same.
Can I get a refund?
Yes. Refund requests are accepted for 30 days under the RecoveryTools refund policy. Software bought without a demo evaluation does not qualify. Email a signed Letter of Destruction to sales@recovery-tools.org. Bundle purchases cannot be refunded.
12Where next?
Related RecoveryTools Software
Split or Merge Your CSV File With the Free Demo
Download the free demo, test 25 rows per file and buy the license when you want every record.