Private Toolkit
Convert images, video and text in-browser — nothing is uploaded.
Free - Free — unlimited files and sizes; entirely client-side (no uploads).
About Private Toolkit
Private Toolkit is a browser-based format converter for images, video, text and archives that processes files entirely client-side. Free and unlimited (no upload, no size limits), it uses plain JavaScript for light tasks and WebAssembly for heavier codecs (MOV, RAW, transcoding). Features image/video format targets and quality presets, text encoding/formatting (Base64, QP, JSON↔YAML, encodings), archive cleanup, and privacy-first CSPs so sensitive files never leave your machine.
Key Features
- Client-side conversion — files never leave the browser (privacy-first)
- Image, video and text format conversion with quality and size presets
- Text tools: Base64/quoted-printable, JSON↔YAML, formatters and encoding conversions
- Archive cleanup (remove .DS_Store, __MACOSX, Thumbs.db, etc.)
- Uses JavaScript for simple tasks and WebAssembly modules for heavy codecs and transcoding
Who is this for?
Designers, content creators and developers who need secure, local conversion of images, video, text and archives.
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FreeFree — unlimited files and sizes; entirely client-side (no uploads).
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