TiefWise

TiefWise

The fast, local-first REST API client

Test, debug, and organize your APIs — fast, private, and local-first. No cloud sync. No account required.

Windows

MSI · ~7 MB

Download

macOS

Intel & Apple Silicon

Apple Silicon Intel

Beta 0.9.1

100+ downloads · 5.0 rating · <8MB · ✓ Free for core features
User Guide All Downloads

Quick Tour

See TiefWise in action — collections, requests, auth, and more.

Want a step-by-step walkthrough?

Our user guide covers everything from first request to advanced workflows.

Read the User Guide

Full Walkthrough

A complete tour — building requests, working with auth, environments, and reading responses.

Everything You Need

Powerful features, zero bloat. Each built to save you time.

TiefWise Collections & Folders
📁 Organization

Collections & Folders

Group related requests into collections and organize them with folders. Keep your workspace clean as your API grows.

  • ✓ Nested folder structure
  • ✓ All HTTP methods — GET, POST, PUT, DELETE
  • ✓ Color-coded method badges
TiefWise Auth Support
🔐 Security

Built-in Auth

First-class support for common authentication methods. Set it once at the collection level and every request inherits it.

  • ✓ Bearer token
  • ✓ Basic auth
  • ✓ OAuth 2.0
TiefWise Environment Variables
🌍 Environments

Environment Variables

Switch between dev, staging, and production with one click. Variables auto-replace in URLs, headers, and bodies.

  • ✓ Multiple environments
  • ✓ Variable substitution in requests
  • ✓ Quick environment switcher
TiefWise Request History
🕐 History

Request History

Every request is logged locally. Search, filter, and replay past calls. Never lose a request again.

  • ✓ Full request/response log
  • ✓ Favorite & filter history
  • ✓ One-click replay
TiefWise OpenAPI Import
📄 OpenAPI

OpenAPI Import

Import any OpenAPI/Swagger spec and instantly get all endpoints ready to test. Supports file upload, URL, or paste.

  • ✓ JSON, YAML, YML formats
  • ✓ Import from file, URL, or clipboard
  • ✓ Auto-discover all endpoints

Download Options

Windows

Windows Installer (MSI)

Recommended

Signed installer. Best for most users — installs in a couple of clicks.

~7 MB | Windows 10/11 (64-bit)

Windows Setup (EXE)

Alternative

Standalone setup wizard. Some browsers warn on .exe downloads — use the MSI if you hit that.

~5 MB | Windows 10/11 (64-bit)

macOS

macOS (Apple Silicon)

Recommended

For M1, M2, M3, and M4 Macs.

~8 MB | macOS 11+

macOS (Intel)

For Intel-based Macs.

~8 MB | macOS 10.15+

System Requirements

Windows

Windows 10/11 (64-bit), 4 GB RAM, 200 MB disk

macOS

macOS 10.15+ (Intel) or macOS 11+ (Apple Silicon)

Why TiefWise?

✨

Lightweight

Under 8MB. No Electron bloat. Starts instantly.

⚡

Fast

Native performance. Sub-100ms response rendering.

🎨

Beautiful

Modern dark UI. Syntax highlighting. Clean design.

Coming Soon
📁

OpenAPI Native

Import Swagger/OpenAPI specs directly. Auto-discover endpoints.

🔐

Secure

Local-first. No cloud sync. Your data stays yours.

🆓

Free

No signup. No subscription. Just download and use.

Local-First Philosophy

"TiefWise stores everything locally on your machine. No cloud sync, no accounts, no internet dependency. Your API collections are yours — accessible anytime, even offline."

Feature Tagline
Local-First Your data stays on your machine. No cloud, no accounts, no privacy concerns.
Lightweight Just 5–8 MB — 10x smaller than Electron alternatives
Offline Ready Works without internet. All data persists locally.

Ready to Get Started?

Start testing your APIs in minutes.

Download for Windows Download for macOS

Beta 0.9.1