
About
This app is a comprehensive calculator for video engineers and AV technicians. It helps calculate bandwidth for various video interfaces like HDMI and DisplayPort, and supports ST 2110 IP video standards. Professionals can also access reference specs and export their calculations.
What's New in ResEditor
1.18.2
September 10, 2026
- Improved NDI bandwidth accuracy: NDI High Bandwidth now scales correctly at 4K/UHD, and NDI|HX2/HX3 bitrates match Vizrt's published reference figures. - New: adjustable SRT recovery bandwidth (5-100%) for realistic retransmission headroom, plus refined SRT and RIST protocol overhead. - Aspect-ratio lock now keeps width and height proportional when editing. - More accurate references: HDMI/DisplayPort modes that require DSC are now labeled, corrected ST 2110 bandwidth examples, and exact fractional frame rates (23.976/29.97/59.94) with a new 23.976 Hz option. - Network selection now stays put when you adjust other parameters. - Fixed a crash when entering 0 for width, height, or refresh rate. - Completed localized translations, added VoiceOver accessibility labels, and improved layout consistency and reliability. NDI® is a registered trademark of Vizrt NDI AB.
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FAQ
What is ResEditor used for?
ResEditor is a specialized calculator designed for video engineers and AV technicians. It helps them quickly determine video bandwidth requirements, resolution scaling, and IP video standards like ST 2110.
Does ResEditor have ads?
No, ResEditor is ad-free, providing an uninterrupted experience for professionals.
What video interfaces can ResEditor calculate bandwidth for?
ResEditor can calculate bandwidth for HDMI 1.4/2.0/2.1 and DisplayPort 1.2/1.4/2.1 interfaces, supporting various refresh rates, bit depths, and chroma subsampling.
Can ResEditor calculate ST 2110 IP video bandwidth?
Yes, ResEditor includes a dedicated ST 2110 IP calculator for uncompressed and compressed video, PCM and AES3 audio, ancillary data, and seamless redundancy.
How much does ResEditor cost?
ResEditor is a paid application, priced at $14.99.
What devices is ResEditor compatible with?
ResEditor is designed with a responsive layout and is optimized for use on both iPhone and iPad devices.
How often is ResEditor updated?
The latest version, 1.15.1, was released on March 10, 2026, indicating active development and regular updates.
Can I export my calculations from ResEditor?
Yes, ResEditor allows you to export your calculations to PDF format, which is useful for documentation and sharing with colleagues.









