Releases & changelog

Downloads &
changelog.

Every Compressy release in one place — newest first. Each version lists what changed and what to install. All builds are offline, signed, and run locally on Windows.

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v1.4.0 · 2 Dec 2024 Windows 10 / 11 · 64-bit Signed · Offline
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Changelog is newest → oldest. Click a version to jump.

v1.4.0 v1.3.2 v1.3.1 v1.3.0 v1.2.0 v1.1.0 v1.0.0
● Latest SHA-256 on every file · System requirements
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v1.4.0 Latest Stable
2 December 2024 · Windows 10 / 11 · 64-bit · Signed installer
18.2 MB installer · 16.8 MB portable
Changelog
Added
  • Auto-rename on export — {prefix}-{NNNN}.{ext} with live preview in settings — e.g. photo-0001.jpg
  • Max width / max height resize — downscale only, keeps aspect, per-file savings badge reflects resized dimensions
  • CSV export now includes renamed column and output dimensions
Improved
  • Settings panel — single caption column (Options / Resize / Rename), 2×2 options grid, unified disabled states
  • Results list — flex columns replace stacked br layout; savings badge widened so −27% · −904 KB never clips
  • Header metrics and status bar now wrap instead of overflow on narrow windows
Fixed
  • Inline style drift in Quality label and backup .bak hint — moved to token classes
  • Focus-visible rings and ARIA live regions for file counts and compression progress
Downloads
  • Compressy-Setup-1.4.0.exe 18.2 MB · Installer · SHA-256: 9f4e … 71ac Copy SHA
  • Compressy-Portable-1.4.0.zip 16.8 MB · Portable · No install Copy SHA
Signed with Microsoft Authenticode. Portable runs from any folder — settings stored next to the executable.
Tag: v1.4.0 · Release notes · Compare to v1.3.2 Requires Windows 10 1809+ · WebView2 not required
v1.3.2 Patch
14 November 2024
18.0 MB · 16.6 MB portable
Fixed
  • PNG transparency edge when stripping ICC profiles — alpha channel now preserved on oxipng path
  • Rare crash on very small JPEGs with max engine — guarded mozjpeg quality clamp
Improved
  • WebP output — faster encode at quality ≥ 88, same file size
Downloads
  • Compressy-Setup-1.3.2.exe 18.0 MB · Installer Copy SHA
  • Compressy-Portable-1.3.2.zip 16.6 MB · Portable Copy SHA
v1.3.2 notes · Compare to v1.3.1SHA-256: a1c8 … 4e90
v1.3.1 Patch
29 October 2024
17.9 MB · 16.5 MB portable
Fixed
  • Folder watcher picking up .tmp files — selector now filters by extension before listing
  • Status bar wrapping on 1280×720 displays
Downloads
  • Compressy-Setup-1.3.1.exe 17.9 MB · Installer Copy SHA
  • Compressy-Portable-1.3.1.zip 16.5 MB · Portable
v1.3.1 notesSHA-256: 6b2f … 19d4
v1.3.0 Minor
8 October 2024
17.8 MB · 16.4 MB portable
Added
  • Concurrency selector — 2 / 4 / 8 threads, persisted per folder
  • Skip files under 50 KB toggle — avoids recompressing already-small assets
Improved
  • Source & Settings footer removed — settings grid ends cleanly, no tip strip
  • Per-file saved % and aggregate progress now update live during compress
Downloads
  • Compressy-Setup-1.3.0.exe 17.8 MB · Installer
  • Compressy-Portable-1.3.0.zip 16.4 MB · Portable
v1.3.0 notes · Compare to v1.2.0SHA-256: 3d0a … e7f1
v1.2.0 Minor
12 September 2024
16.9 MB · 15.7 MB portable
Added
  • Output format selector — keep original / WebP / AVIF / JPEG for the whole batch
  • Strip metadata toggle — removes EXIF / ICC when enabled
Improved
  • Split-pane layout — left source list with checkboxes, right compressed with per-file −% badge
Downloads
  • Compressy-Setup-1.2.0.exe 16.9 MB · Installer
  • Compressy-Portable-1.2.0.zip 15.7 MB · Portable
v1.2.0 notesSHA-256: 8e44 … 2a11
v1.1.0 Minor
4 August 2024
15.4 MB · 14.2 MB portable
Added
  • Engine selector — balanced / maximum / fast presets on top of the quality slider (40–95)
  • Overwrite with .bak toggle — keeps a backup when compressing in place
Downloads
  • Compressy-Setup-1.1.0.exe 15.4 MB · Installer
  • Compressy-Portable-1.1.0.zip 14.2 MB · Portable
v1.1.0 notes · Compare to v1.0.0SHA-256: 5c91 … b8e3
v1.0.0 Initial
18 July 2024 · First public release
14.8 MB · 13.6 MB portable
Added
  • Folder selector, file list with checkbox selection, and split-pane results — the Compressy window as shipped
  • JPEG via mozjpeg and PNG via oxipng — quality slider, per-file saved KB / % and CSV export
  • Local-only processing — no uploads, no accounts, no cloud
Downloads
  • Compressy-Setup-1.0.0.exe 14.8 MB · Installer
  • Compressy-Portable-1.0.0.zip 13.6 MB · Portable
v1.0.0 notesSHA-256: 1f0e … 9c22
System requirements

Windows 10 1809 or later · 64-bit

  • ✓ Windows 10 / 11, 64-bit — no WebView2, no runtime to install
  • ✓ ~40 MB disk for app + space for .bak backups if you keep them
  • ✓ Offline — no internet required after install
  • ✓ Signed installer (Authenticode) — SmartScreen-friendly
Verifying downloads

Check the SHA-256 before you install.

Each file's SHA-256 is shown on its card. On Windows, run certutil -hashfile Compressy-Setup-*.exe SHA256 in PowerShell and compare.

Portable .zip — unzip anywhere and run Compressy.exe. Settings live next to the executable.

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Offline · Windows · No account required · Supported formats
Download starting — Compressy Setup.exe