You just need curl or PowerShell
Max data size: 100 MB
curl --data-binary @- https://localb.inif your data contains new lines
$ echo "Enjoy the silence" | curl -d @- https://localb.in/base64 RW5qb3kgdGhlIHNpbGVuY2UK
$ echo -n "S25vY2ssIGtub2Nr" | curl -d @- https://localb.in/base64?-d Knock, knock
$ echo -n "We will rack you" | curl -d @- https://localb.in/sed?'s/a/o/g' We will rock you
$ curl https://localb.in/ipcalc?192.168.0.0/18 Address: 192.168.0.0 11000000.10101000.00 000000.00000000 Netmask: 255.255.192.0 = 18 11111111.11111111.11 000000.00000000 Wildcard: 0.0.63.255 00000000.00000000.00 111111.11111111 => Network: 192.168.0.0/18 11000000.10101000.00 000000.00000000 HostMin: 192.168.0.1 11000000.10101000.00 000000.00000001 HostMax: 192.168.63.254 11000000.10101000.00 111111.11111110 Broadcast: 192.168.63.255 11000000.10101000.00 111111.11111111 Hosts/Net: 16382 Class C, Private Internet
$ curl https://api.github.com/users/esin -s | curl -d @- https://localb.in/jq { "login": "esin", "id": 69767, "node_id": "MDQ6VXNlcjY5NzY3", "avatar_url": "https://avatars0.githubusercontent.com/u/69767?v=4", "gravatar_id": "", "url": "https://api.github.com/users/esin", "html_url": "https://github.com/esin", "followers_url": "https://api.github.com/users/esin/followers", "following_url": "https://api.github.com/users/esin/following{/other_user}", "gists_url": "https://api.github.com/users/esin/gists{/gist_id}", "starred_url": "https://api.github.com/users/esin/starred{/owner}{/repo}", "subscriptions_url": "https://api.github.com/users/esin/subscriptions", "organizations_url": "https://api.github.com/users/esin/orgs", "repos_url": "https://api.github.com/users/esin/repos", "events_url": "https://api.github.com/users/esin/events{/privacy}", "received_events_url": "https://api.github.com/users/esin/received_events", "type": "User", "site_admin": false, "name": "Andrey Esin", "company": "Sberbank", "blog": "andrey.es", "location": "Russia, Moscow", "email": null, "hireable": null, "bio": "Linux Administrator, DevOps Engineer and Go Developer", "twitter_username": "la_stik", "public_repos": 28, "public_gists": 6, "followers": 438, "following": 4601, "created_at": "2009-04-02T12:01:48Z", "updated_at": "2020-11-03T07:56:53Z" }
$ echo "Enjoy the silence" | Invoke-RestMethod https://localb.in/base64 RW5qb3kgdGhlIHNpbGVuY2UK
$ echo -n "S25vY2ssIGtub2Nr" | Invoke-RestMethod https://localb.in/base64?-d Knock, knock
$ echo -n "We will rack you" | Invoke-RestMethod https://localb.in/sed?'s/a/o/g' We will rock you
$ curl https://localb.in/ipcalc?192.168.0.0/18 Address: 192.168.0.0 11000000.10101000.00 000000.00000000 Netmask: 255.255.192.0 = 18 11111111.11111111.11 000000.00000000 Wildcard: 0.0.63.255 00000000.00000000.00 111111.11111111 => Network: 192.168.0.0/18 11000000.10101000.00 000000.00000000 HostMin: 192.168.0.1 11000000.10101000.00 000000.00000001 HostMax: 192.168.63.254 11000000.10101000.00 111111.11111110 Broadcast: 192.168.63.255 11000000.10101000.00 111111.11111111 Hosts/Net: 16382 Class C, Private Internet
$ curl https://api.github.com/users/esin -s | Invoke-RestMethod https://localb.in/jq { "login": "esin", "id": 69767, "node_id": "MDQ6VXNlcjY5NzY3", "avatar_url": "https://avatars0.githubusercontent.com/u/69767?v=4", "gravatar_id": "", "url": "https://api.github.com/users/esin", "html_url": "https://github.com/esin", "followers_url": "https://api.github.com/users/esin/followers", "following_url": "https://api.github.com/users/esin/following{/other_user}", "gists_url": "https://api.github.com/users/esin/gists{/gist_id}", "starred_url": "https://api.github.com/users/esin/starred{/owner}{/repo}", "subscriptions_url": "https://api.github.com/users/esin/subscriptions", "organizations_url": "https://api.github.com/users/esin/orgs", "repos_url": "https://api.github.com/users/esin/repos", "events_url": "https://api.github.com/users/esin/events{/privacy}", "received_events_url": "https://api.github.com/users/esin/received_events", "type": "User", "site_admin": false, "name": "Andrey Esin", "company": "Sberbank", "blog": "andrey.es", "location": "Russia, Moscow", "email": null, "hireable": null, "bio": "Linux Administrator, DevOps Engineer and Go Developer", "twitter_username": "la_stik", "public_repos": 28, "public_gists": 6, "followers": 438, "following": 4601, "created_at": "2009-04-02T12:01:48Z", "updated_at": "2020-11-03T07:56:53Z" }