Skip to content

How to Convert SIXEL to RGF — Quick & Free

Fast, instant SIXEL to RGF conversion. No signup required. Just drop your .sixel file and get .rgf in seconds.

256-bit TLS encryptionFiles deleted in 24hNo signup required

About SIXEL to RGF Conversion

Short answer: yes, you can convert SIXEL to RGF online for free, and quality is well preserved with the right settings. Just upload your .sixel file to CocoConvert, pick RGF as the output, and click Convert. The whole process takes seconds.

Now for the details. SIXEL is a widely used file format. RGF is a widely used file format. Converting between these two formats lets you convert between formats quickly.

Your SIXEL file is decoded and re-encoded as RGF. Converting SIXEL to RGF maintains high quality with CocoConvert's optimised encoder settings.

CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.

Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.

How to Convert SIXEL to RGF

  1. 1

    1. Upload SIXEL

    Drop your .sixel file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.

  2. 2

    2. Select RGF

    Choose .rgf from the output dropdown. Settings are pre-configured for best results.

  3. 3

    3. Convert

    One click. The server handles all the heavy lifting using FFmpeg and Sharp.

  4. 4

    4. Download

    Your .rgf file is ready. Download it directly or get all files as a zip archive.

What Happens When You Convert SIXEL to RGF

Your SIXEL file is decoded and re-encoded as RGF.

1

Your SIXEL file is uploaded and validated

2

The file is decoded (parsed into its raw data)

3

The data is re-encoded in RGF format

4

The converted file is ready for download

Format Comparison

.sixel

SIXEL

.sixel file

Extension.sixel
MIME Typeimage/x-sixel
CategoryImage
.rgf

RGF

.rgf file

Extension.rgf
MIME Typeimage/x-rgf
CategoryImage

Should You Convert SIXEL to RGF?

When to Convert

  • When you need a RGF file

Frequently Asked Questions

Is SIXEL to RGF conversion free?

Yes. CocoConvert offers free SIXEL to RGF conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.

How fast is SIXEL to RGF conversion?

Most files convert in 2–10 seconds depending on size. Large image files may take 30 seconds. Batch jobs process in parallel for maximum speed.

What happens to my files after conversion?

Your uploaded SIXEL file and the converted RGF file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.

Does converting SIXEL to RGF lose quality?

Converting SIXEL to RGF maintains high quality with CocoConvert's optimised encoder settings.

Can I convert RGF back to SIXEL?

Yes, CocoConvert supports RGF to SIXEL conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.

Powered by — installed on our conversion workers
ImageMagick 7.1 (locked policy.xml)libheif 1.xlibjxl-tools 0.11.xLibRaw / dcraw_emu 0.21.xSharp 0.34.x (Node)

Versions are pinned in our worker Dockerfile and re-built via CI on every change.