ToolKnit Desktop

Open-source v2.0 GitHub Stars 400+ Windows 10 / 11

Local tools for people, CLI and IDE Agents

49 local tools across 11 categories in one free Apache 2.0 Windows app: PDF, PPT, image, audio-video, text, calculator, AI and hardware workflows. Files stay on your computer by default.

Get ToolKnit v2.0 View source on GitHub Buy the developer a coffee

Built by Zihang Dong after work, now with 400+ GitHub stars and nearly one million views.

向下滚动

Version 2.0

One person, 49 local tools, and a desktop built to stay private

ToolKnit Desktop v2.0 grew from one PDF problem into a free, open-source Windows toolbox. It runs locally by default, keeps files on your computer and exposes practical workflows to scripts and IDE Agents.

49 local tools PDF, PPT, image, audio-video, text, calculator, AI and hardware workflows across 11 categories, plus color, password, typing and cleanup utilities.
CLI + MCP Core file workflows can be called by scripts and supported IDE Agents.
Local by default Normal file processing stays on your computer without uploads.
Apache 2.0 Free to use, inspect, adapt and share under the desktop project's open-source license.

Explore ToolKnit Desktop v2.0

ToolKnit Desktop 2.0 home screen
01 Home

ToolKnit 首页

A focused home for 49 local tools, with category navigation, a unified output directory and backgrounds you can customize without changing the workflow.

49 Tools Custom Backgrounds Category Navigation Unified Output
11
Categories
49
Tools
Local
Workspace
ToolKnit Desktop 2.0 PDF tools
02 PDF Tools

PDF Toolkit

Merge, split, rotate, encrypt, decrypt, compress and enhance PDFs locally, with page previews and precise page selection where the workflow needs it.

Page Preview Merge / Split Protect / Enhance Local Processing
8+
PDF Features
0
Uploads
100%
Local Privacy
ToolKnit Desktop 2.0 image tools
03 Image Tools

Image Processing

Convert and compress images in batches, stitch images or PDF pages into a long image, generate icons and extract reusable color palettes.

Batch Conversion Image Compression Long Image Stitching Icons / Palettes
500+
Per Batch
Fast
Speed
6+
Features
ToolKnit Desktop 2.0 audio and video tools
04 Audio & Video

Audio & Video Workflows

Convert, clip and inspect audio or video locally, detect BPM, export frames, create GIFs and transcribe media with an offline Whisper model.

Format Conversion Clip / BPM Frames / GIF Local Whisper
Offline
Transcription
FFmpeg
Runtime
TXT/SRT
Output
ToolKnit Desktop 2.0 PPT tools
05 PPT Tools

Presentation Workflows

Turn presentations into practical assets locally: convert PPT files to PDF or images, extract reusable media and generate AI-assisted outlines.

PPT to PDF PPT to Images Media Extraction AI Outlines
PDF
Export
PNG/JPG
Slides
AI
Outlines
ToolKnit Desktop 2.0 text tools
06 Text Tools

Text Workflows

Format untidy text, measure words and reading statistics, and export offline transcription results as editable TXT, timestamped SRT or structured JSON.

Text Formatting Text Statistics TXT / SRT / JSON Optional AI Review
3
Transcript Outputs
Local
First Pass
Editable
Results
ToolKnit Desktop 2.0 calculator tools
07 Calculator

Practical Calculators

Keep recurring calculations close at hand with focused tools for BMI, timestamps, mortgages, interest and secure password generation.

BMI Timestamp Mortgage / Interest Password Generator
5+
Utilities
Instant
Results
Focused
Inputs
ToolKnit Desktop 2.0 hardware tools
08 Hardware Tools

Hardware Utilities

Inspect the machine that runs your workflows with focused hardware utilities for system information, storage health and practical device checks.

System Overview CPU / Memory Storage Details Device Checks
Local
Inspection
Live
System Data
Private
By Default
ToolKnit Desktop 2.0 AI tools
09 AI Tools

Editable AI Projects

AI documents and tables now produce inspectable projects with stable control IDs, previews, dry runs, edits, undo and deterministic re-rendering.

AI Documents AI Tables Inspect / Edit / Undo Agent-ready Projects
PDF/XLSX
Outputs
Dry-run
Validation
MCP
Agent Workflow

Open source on GitHub

Use it locally. Inspect the source. Help shape what comes next.

ToolKnit Desktop v2.0 is a free Apache 2.0 project for private local work and open collaboration. Download a release or follow development directly in the repository.

View releases Open repository