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Arthur POULET 1faa3a29c3
Improve file dropzone
3 months ago
public Improve file dropzone 3 months ago
spec Add auto-detect host and port of the server (by request) 3 months ago
src Improve file dropzone 3 months ago
.drone.yml Fix drone CI 3 months ago
.gitignore Update to crystal v0.20, big file work 3 months ago
Dockerfile Separate Docker build stage to reduce image size 3 months ago
LICENSE Change LICENSE to GPL-3.0 3 months ago
Makefile Fix make install 3 months ago Update readm with crystal compatiblity 3 months ago
docker-compose.yml add Dockerfile and docker-compose config 3 months ago
sample.png Update README picture 3 months ago
shard.lock Update kemalrc and fix dependency version 3 months ago
shard.yml Update kemalrc and fix dependency version 3 months ago

Upstream on


Fast and lite file upload server ( clone).


  • It's a simple online file sharing.
  • Files older than 7 days are destroyed (configurable).
  • Recognize shebangs, magic numbers, ...

Installation Build Status

Compatible crystal v1.6.0

From source

make        # build the app / deps
make test   # run unit test
make doc    # build the documentation

From AUR with yay (or yaourt etc.)

yay -S transfer-more


Run the Server

export TRANSFER_SSL_ENABLED=true    # true if the ssl is enabled, any other string is false
export TRANSFER_BASE_STORAGE="/tmp" # where the files will be kept
export TRANSFER_SECURE_SIZE=4       # how much characters to identify a file
export TRANSFER_STORAGE_DAYS=7      # how much time the files are kept
export TRANSFER_TIME_FORMAT="%y%m%d%H"
export TRANSFER_HOST_PORT="localhost:3000" # in pinciple it is auto solved using the http headers, optional
./transfer_more --help
    -b HOST, --bind HOST             Host to bind (defaults to
    -p PORT, --port PORT             Port to listen for connections (defaults to 3000)

Command line client

curl --progress-bar --upload-file file.mp4  http://domain/name.mp4

Inside a Docker container

docker build -t transfer_more . && docker run -p 3000:3000 transfer_more

Or with docker-compose:

docker-compose build && docker-compose up

ShareX template

  "Name": "Sceptique",
  "DestinationType": "ImageUploader, TextUploader, FileUploader, URLShortener",
  "RequestURL": "",
  "FileFormName": "file",
  "Headers": {
    "User-Agent": "curl"


For now I don't have much plan expanding the feature of it, as it fulfills all my needs.

I will keep updating with each crystal new release.


Feel free to propose new feature anyway, we can just put them behind feature flag if it's overkill.

Review your own coding style as possible.

Do not try to include external CI in the upstream, I don't want big centralized service of the GAFAM as possible.

You can either propose a patch in an issue or open a merge request on

You can propose it on github if you want, but accept github OAuth so it's very quick to setup and it's my prefered way.


  • Sceptique Arthur Poulet - creator, maintainer