Features - IM3270 Terminal Emulator

Split Screen Sessions

PRO

Work with multiple mainframe sessions simultaneously in a single window. Compare data across systems, monitor jobs while working, or reference one session while editing in another.

Horizontal Split

Side-by-side (Ctrl+\)

Vertical Split

Top-bottom (Ctrl+Shift+\)

Quick Switch

Ctrl+Tab

Resizable

Drag divider

Retro CRT Terminal Mode

NOSTALGIC

Experience the authentic look and feel of classic mainframe terminals. Perfect for those who remember the green glow of IBM 3278 terminals.

Green Phosphor

Classic P1 green

Amber Phosphor

Warm P3 amber

Scanlines

CRT line effect

Screen Glow

Bloom effect

Curved Glass

Tube curvature

Monitor Bezel

Frame overlay

Full 3270 Terminal Emulation

Complete IBM 3270 terminal emulation using x3270/s3270, providing authentic mainframe interaction.

Terminal Models

Models 2, 3, 4, 5

Extended Attrs

Full EA/EAB

Color Schemes

x3270 themes

Field Coloring

Protected fields

Terminal Fonts

IBM Plex Mono & IBM 3270

Secure Connectivity

Connect to your mainframes securely with SSL/TLS encryption and manage multiple connections with ease.

SSL/TLS

Encrypted

Profiles

Save connections

Auto-Reconnect

Automatic

Console Mode

z/OS support

File Transfer

Transfer files to and from your mainframe using the standard IND$FILE protocol.

IND$FILE

Standard protocol

ASCII/Binary

Text and binary

Progress Bar

Visual progress

PDS Support

Member transfer

Productivity Features

Boost your mainframe productivity with modern convenience features.

Cmd History

Alt+Up/Down

Macros

Record & replay

SelectJCL

Smart selection

Logging

Session logs

Find

Search screen

Shortcuts

Customizable

Smart Selection

Keyboard Customization

Macros & Automation

JavaScript Scripting Engine

Automate mainframe workflows with JavaScript. Full-featured CodeMirror editor with syntax highlighting, API autocomplete, step-through debugger, and sandboxed file I/O.

CodeMirror Editor

Syntax highlighting, search, bracket matching

API Autocomplete

Type screen., session. for suggestions

Screen API

getText, getLine, waitForText, waitForKeyboard

Session API

type, send, moveTo, typeAndSend

Step Debugger

Line-by-line with pause/resume

File I/O

Sandboxed readFile/writeFile

Console Output Log & Diagnostics

Built-in console panel with interactive command bar and automated log analysis for troubleshooting connection issues.

Console Output Log

Real-time color-coded events: connections, errors, warnings, transfers

Interactive Commands

Built-in command bar: status, tabs, diagnose, history, and more

Log Diagnostics

Automated analysis: timeouts, IP typos, SSL errors, port conflicts

IP Typo Detection

Warns about suspicious IPs (e.g., 192.169.x.x) before connecting

Modern User Interface

A contemporary interface that makes mainframe work feel modern and efficient.

Tabbed Sessions

Multiple tabs

Tab Colors

Color coding

Crosshair

Position tracking

Magnifier

Zoom tool

IM3270 Features