Convert OIL to FLIF

Tired of slow online converters? reaConverter transforms OIL to FLIF instantly — right on your desktop, no upload needed.

Online converters too slow for your OIL files? reaConverter works locally and handles unlimited batches. All processing runs locally on your PC, so your files stay private and secure.

Download
reaConverter
Convert
OIL to FLIF
Online
Convert

How to Convert Multiple OIL Files to FLIF?

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

reaConverter logo
Install reaConverter

2. Load your OIL files

Add OIL files to reaConverter. One file or a thousand, the process is the same. Everything runs locally on your machine.

You can drag-and-drop files, browse to a folder, or add entire directory trees including subfolders.

Load your OIL files into reaConverter

3. Select FLIF as output format

Select FLIF from the output format list and set your destination folder. You can also adjust quality and compression settings.

Select FLIF as output format

4. Start OIL to FLIF conversion

Click the Convert button to start. reaConverter will process all your files with the settings you selected.

Start Conversion

When finished, your new .flif files will be waiting in the destination folder.

OIL to FLIF Converter

reaConverter offers the fastest, simplest solution for converting your OIL files into FLIF in seconds - all files processed on your PC for maximum privacy and speed.

Download Free Trial

Do more with your files

Converting OIL files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on January 22, 2026
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
DeShawn M. Thompson
Happy User
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Lin Zhang
Happy User
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Ava Thomas
Happy User
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
Walter Morgan
Walter Morgan
Satisfied Customer

OIL to FLIF Conversion: FAQ

What are OIL files?

OIL is an image format also known as the "Open Image Library Format". Though designed as a standardized format for open image transfer and storing, it is rarely used and might not be compatible with your image viewer. To open OIL images try converting them to more accessible extensions.

What are FLIF files?

FLIF (Free Lossless Image Format) is a royalty-free format launched at the end of 2015 as "work in progress" with the aim of offering a better alternative for storing lossless images than the existing PNG, WebP, BPG, JPEG2000 and JPEG XR. FLIF provides similar image quality as the other extensions, but in a file size than can be up to 74% smaller. The new format uses a form of the Adam7 algorithm for compressing images, offering progressive interlacing that allows users to obtain a reasonable encoding of an image even from a partial download.

Can reaConverter convert OIL to FLIF?

Yes! reaConverter instantly converts .oil to .flif with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert OIL to FLIF online?

If you only need to convert a few OIL files to FLIF format, feel free to try our free online free online OIL to FLIF converter — perfect for small batches with no installation needed!

How can I turn OIL files into FLIF on my computer?

The best way to change OILs to FLIFs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from OIL to FLIF.

How can I automate OIL to FLIF files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert OIL files to FLIF using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line oil to flif converter for batch processing.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthConvert GIS filesConvert DICOM imagesChange picture size

Find out more

Get advanced software for file conversion, processing, and editing, giving you complete, precise control over your work.
Download
reaConverter
Buy Now
reaConverter software