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VapourBox is a user-friendly wrapper for VapourSynth for Windows, MacOS and Linux that makes video processing accessible to everyone. Convert between video formats, apply QTGMC deinterlacing, reduce noise, and fix common video problemsall through a simple drag-and-drop interface. No scripting required. No command line needed. Just drop your video and go.
Free software
OS:
File size: 14MB
Portable version
Old versions
Version history
OS:
File size: 14MB
Portable version
Old versions
Version history
Screenshots
Latest version
Download
Download VapourBox 0.9.8 Windows 64-bit 15MB Win64
Portable 
Download VapourBox 0.9.8 Mac 64-bit 24MB Mac64
Download VapourBox 0.9.8 Linux 64-bit 13MB Linux64
Download old versions
Software License
Supported operating systems
Mac OS Linux Version history / Release notes / Changelog / What's New
VapourBox 0.9.8
VapourBox 0.9.8 builds on 0.9.7 with extensive filter integration fixes across platform, and better queue handling plus a large dependency/CI overhaul under the bonnet to verify every single filter option works on every single supported platform.
What's new
TL;DR - a focus on fixes rather than features.
Encoding (issue #19)
Intel Mac bitrate control VideoToolbox on Intel has no constant-quality mode, so the quality slider produced badly under-bitrated output. The Quality section now offers native bitrate presets (Low / Medium / High / Very High) plus an editable Mb/s field. Apple Silicon keeps its quality slider unchanged.
HEVC plays in QuickTime / Apple players HEVC in MP4/MOV is now tagged hvc1 (with faststart) so Apple players no longer reject the file.
Codec selection no longer over-blocked encoders FFmpeg actually supports stay selectable even when the hardware probe fails; a failed probe now shows a warning with a viewable, copyable error log instead of silently disabling the option (e.g. h264_videotoolbox on some Intel Macs).
Copy Log button stays available the log panel (and its copy button) now remain visible after a job completes, not just while it's running.
Deinterlacing
OpenCL auto-detect with CPU fallback on macOS, QTGMC's GPU NNEDI3 path failed on machines with no usable OpenCL device (headless, VMs, remote-desktop sessions), erroring out every deinterlace job. The worker now probes for OpenCL and falls back to CPU NNEDI3 when it isn't available. Set VAPOURBOX_DISABLE_OPENCL=1 to force CPU.
Queue handling (issue #12)
Dropping more files no longer overwrites your settings scan-type auto-configuration now runs only for the first file into an empty queue, so adding files to an already-configured queue keeps your pipeline. Added audio-settings logging to aid diagnosis.
Reliability
Fixed an intermittent plugin-load failure (No attribute fmtc) caused by a shared VapourSynth autoload config being written concurrently (#36).
Under the bonnet
Dependency binaries are no longer committed the download-deps-* scripts and CI are now the source of truth, with sha256 integrity sidecars per release and a plugin-completeness guard that fails the build on missing plugins.
Numerous deps build fixes: macOS x64 FFTW reference, arm64 liblzma for BestSource, unbundled-dylib guards (issue #28), Windows VSScript init / x64 plugin selection, and a dead fmtconv download URL.
Flutter integration tests now run headless in CI.
Worker probes input frame count when a job omits total_frames (#35).
VapourBox 0.9.8 builds on 0.9.7 with extensive filter integration fixes across platform, and better queue handling plus a large dependency/CI overhaul under the bonnet to verify every single filter option works on every single supported platform.
What's new
TL;DR - a focus on fixes rather than features.
Encoding (issue #19)
Intel Mac bitrate control VideoToolbox on Intel has no constant-quality mode, so the quality slider produced badly under-bitrated output. The Quality section now offers native bitrate presets (Low / Medium / High / Very High) plus an editable Mb/s field. Apple Silicon keeps its quality slider unchanged.
HEVC plays in QuickTime / Apple players HEVC in MP4/MOV is now tagged hvc1 (with faststart) so Apple players no longer reject the file.
Codec selection no longer over-blocked encoders FFmpeg actually supports stay selectable even when the hardware probe fails; a failed probe now shows a warning with a viewable, copyable error log instead of silently disabling the option (e.g. h264_videotoolbox on some Intel Macs).
Copy Log button stays available the log panel (and its copy button) now remain visible after a job completes, not just while it's running.
Deinterlacing
OpenCL auto-detect with CPU fallback on macOS, QTGMC's GPU NNEDI3 path failed on machines with no usable OpenCL device (headless, VMs, remote-desktop sessions), erroring out every deinterlace job. The worker now probes for OpenCL and falls back to CPU NNEDI3 when it isn't available. Set VAPOURBOX_DISABLE_OPENCL=1 to force CPU.
Queue handling (issue #12)
Dropping more files no longer overwrites your settings scan-type auto-configuration now runs only for the first file into an empty queue, so adding files to an already-configured queue keeps your pipeline. Added audio-settings logging to aid diagnosis.
Reliability
Fixed an intermittent plugin-load failure (No attribute fmtc) caused by a shared VapourSynth autoload config being written concurrently (#36).
Under the bonnet
Dependency binaries are no longer committed the download-deps-* scripts and CI are now the source of truth, with sha256 integrity sidecars per release and a plugin-completeness guard that fails the build on missing plugins.
Numerous deps build fixes: macOS x64 FFTW reference, arm64 liblzma for BestSource, unbundled-dylib guards (issue #28), Windows VSScript init / x64 plugin selection, and a dead fmtconv download URL.
Flutter integration tests now run headless in CI.
Worker probes input frame count when a job omits total_frames (#35).
View full changelog
All features
Features
QTGMC deinterlacing - Industry-standard deinterlacing with full parameter control
Multi-pass restoration pipeline - Denoise, sharpen, dehalo, deblock, deband
Real-time preview - Side-by-side before/after comparison
Timeline with zoom - Navigate and set in/out points for partial exports
Multiple output codecs - ProRes, FFV1, H.264, H.265
Preset system - Save and reuse your filter configurations
Use Cases
Convert interlaced video to progressive
Clean up noisy or soft footage
Archive DVDs with proper deinterlacing
Restore VHS captures
Platforms
macOS ARM64 (Apple Silicon)
Windows x64
Installation
Download the zip for your platform
Extract and run
Dependencies (~94 MB macOS, ~183 MB Windows) download automatically on first launch
Requirements
macOS 11+ (Apple Silicon) or Windows 10/11 (x64)
Internet connection for first launch
QTGMC deinterlacing - Industry-standard deinterlacing with full parameter control
Multi-pass restoration pipeline - Denoise, sharpen, dehalo, deblock, deband
Real-time preview - Side-by-side before/after comparison
Timeline with zoom - Navigate and set in/out points for partial exports
Multiple output codecs - ProRes, FFV1, H.264, H.265
Preset system - Save and reuse your filter configurations
Use Cases
Convert interlaced video to progressive
Clean up noisy or soft footage
Archive DVDs with proper deinterlacing
Restore VHS captures
Platforms
macOS ARM64 (Apple Silicon)
Windows x64
Installation
Download the zip for your platform
Extract and run
Dependencies (~94 MB macOS, ~183 MB Windows) download automatically on first launch
Requirements
macOS 11+ (Apple Silicon) or Windows 10/11 (x64)
Internet connection for first launch
Sections/Browse similar tools
Guides and How to's
Notify me when software updated or report software
| 2 reviews, Showing 1 to 2 reviews |
After working with Hybrid, which is a good interface, I'd say VapourBox is a nice change when it comes to quick projects. Some more filters for dealing with old tapes and films, would make it even better.
Review by Brandonaz on
Mar 20, 2026 Version: 0.8.0
OS: Windows 10 64-bit Ease of use: 8/10
Functionality: 7/10
Value for money: 10/10
Overall: 8/10
I cut a sample section of a screen recorded movie using AviDemux to test the outcome of this software, using drag & drop I deselected deinterlace & selected sharpen. The output was listed as deinterlaced with no audio despite it being checked to copy original audio.
Review by on
Jan 19, 2026 Version: VapourBox 0.2.0
OS: Windows 11 64-bit Ease of use: -/10
Functionality: -/10
Value for money: -/10
Overall: 5/10
| 2 reviews, Showing 1 to 2 reviews |
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Our hosted software are virus and malware scanned with several antivirus programs using www.virustotal.com. (NOTE! Just one virustotal warning is 99.9% a false positive. And some software might receive 2-6 warnings but it's if they are not all same virus/trojan then it's 99% false positives.)
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NEW SOFTWARE= New tool since your last visit
NEW VERSION= New version since your last visit
NEW REVIEW= New review since your last visit
NEW VERSION= New version
Latest version
Version number / Beta version number / Update version number and when it whas released.
Type and download
NO MORE UPDATES? = The software hasn't been updated in over 2 years.
NO LONGER DEVELOPED = The software hasn't been updated in over 5 years.
RECENTLY UPDATED = The software has been updated the last 31 days.
Freeware = Download Free software.
Freeware Trialware = Download Free software but some parts are trial/shareware.
Free software = Download Free software and also open source code also known as FOSS (Free and Open Source Software).
Free software Trialware = Download Free software and also open source code but some parts are trial/shareware.
Freeware Ads = Download Free software but supported by advertising, usually with a included browser toolbar. It may be disabled when installing or after installation.
Free software Ads = Free Download software and open source code but supported by advertising, usually with a included browser toolbar. It may be disabled when installing or after installation.
Trialware = Also called shareware or demo. Free Trial version available for download and testing with usually a time limit or limited functions.
Payware = No demo or trial available.
Portable version = A portable/standalone version is available. No installation is required.
v1.0.1 = Latest version available.
Download beta = It could be a Beta, RC(Release Candidate) or an Alpha / Nightly / Unstable version of the software.
Download 15MB = A direct link to the software download.
Win = Windows download version for 32-bit and 64-bit Windows.
Win64 = Windows 64-bit download version for 64-bit Windows.
WinARM64 = Windows 64-bit ARM download version for Windows ARM64/AArch64.
Mac = Mac download version for 64-bit Mac OS Intel/ARM64/AArch64.
MacARM64 = Mac Silicon download version for 64-bit Mac OS ARM64/AArch64.
Mac64 = Mac OS download version for 64-bit Intel Mac OS.
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Linux64 = Linux download version for 64bit Linux.
Linux ARM = Linux download version for Linux ARM64/AArch64.
Portable = Portable version. No installation is required.
Ad-Supported = The software is bundled with advertising. Be careful when you install the software and disable addons that you don't want!
Visit developers site = A link to the software developer site.
Download (mirror link) = A mirror link to the software download. It may not contain the latest versions.
Download old versions = Free downloads of previous versions of the program.
Download 64-bit version = If you have a 64bit operating system you can download this version.
Download portable version = Portable/Standalone version meaning that no installation is required, just extract the files to a folder and run directly.
Portable version available = Download the portable version and you can just extract the files and run the program without installation.
Old versions available = Download old versions of the program.
Version history available = Complete changelog on our site.
= Windows version available. = Mac OS version available. = Linux version available.Our hosted software are virus and malware scanned with several antivirus programs using www.virustotal.com. (NOTE! Just one virustotal warning is 99.9% a false positive. And some software might receive 2-6 warnings but it's if they are not all same virus/trojan then it's 99% false positives.)
Rating
Rating from 0-10.
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