Simple Deflicker
Simple Deflicker: A free open-source utility for correcting global flicker in JPG and PNG sequences. Ranked #33 of 36 in Time-Lapse Software by our editors (4.8/10); pricing: Free plan; best for standalone sequence deflickering.
At a glance
- Editor score4.8 / 10
- PricingFree plan
- Best forStandalone sequence deflickering
- Free planYes
- Paid fromFree
- Deflicker toolsYes
- Facts checked21 Oct 2026
Where it wins
- Histogram matching and rolling-average brightness correction
- Windows GUI plus command-line source and destination processing
- Adjustable smoothing, JPEG compression, and thread options
Where it doesn't
- macOS support is command-line only
- Processes 8-bit JPG and PNG files, not RAW images
- No camera control or interval scheduling
Our verdict on Simple Deflicker
Simple Deflicker is an open-source desktop and command-line utility for correcting global brightness flicker in timelapse image sequences. It is aimed at solo creators and small teams that already have still-image sequences and need a focused deflickering step before further editing. The tool works with 8-bit JPG and PNG input, using histogram matching and rolling-average smoothing to address changes such as day-to-night transitions. A Windows graphical interface is provided, while macOS builds use the command line.
Its standout capability is sequence-level brightness correction with adjustable processing controls. Users can set the rolling-average behavior, JPEG compression, and thread count, then process source and destination directories through the Windows interface or command line. This directory-based workflow suits batch treatment of existing image sets rather than capture-time automation. The published project is MIT licensed, so the utility fits workflows that favor an open-source desktop tool without a subscription model. macOS users should be comfortable working entirely in a terminal, because the graphical interface is part of the Windows release.
Simple Deflicker keeps its scope narrow: it corrects global flicker in still-image sequences and exports JPG or PNG files. It does not provide camera control, interval scheduling, or RAW photo support, so it is not a complete timelapse production suite. Choose it when deflickering is the main requirement and a compact Windows or command-line workflow matches your setup. Choose another tool when you need to operate a camera, schedule captures, process RAW files, or manage a broader editing pipeline. Its focused design makes the most sense as a dedicated correction stage alongside other production software.
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Simple Deflicker pricing
Simple Deflicker fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deflicker tools | Yes |
| Camera control | No |
| Interval scheduling | No |
| RAW photo support | No |
| Sequence input | Stills |
| Supported platforms | windows, macos |
| Export formats | JPG, PNG |
| Deployment | Desktop |
| Platforms | Windows, macOS |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 21 Oct 2026 |
Alternatives to Simple Deflicker
- ScopeControlA Windows desktop tool for camera control, time-lapse capture, optimization, and measurement.8.8
- AgeLapseFree, open-source timelapse creation with stabilization, RAW support, and 8K exports.7.9
- LapseleapA flexible webcam and Raspberry Pi time-lapse service with capable free and Pro tiers.7.8
See all Simple Deflicker alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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