Privacy-first
Local-first, with network tools clearly marked
Know your tools instantly
Convert, inspect, and ship faster with toolcli
Text, data, time, colour, security, and generator utilities live in a single workspace so you always know where to go for quick fixes.
High performance
Edge-accelerated delivery
Multi-language & themes
English/Chinese with light/dark modes
Workflow Picks
Featured workflows
01Open workflow →02Open workflow →03Open workflow →
401 / 403 and webhook troubleshooting
API Auth Debugger
Check JSON bodies, diagnose JWT timing issues, and verify HMAC-SHA256 signatures.
Multi-line content processing
List Cleanup & Export
Clean multi-line content, normalize lists, and export reusable formats.
Web image publishing workflow
Responsive Image Publisher
Turn source images into responsive AVIF and WebP assets, ready-to-use picture markup, and one downloadable package.
Tool Picks
Featured tools
JSON Toolkit
Format, compact, or validate JSON payloads.
Batch Image Lab
Compress multiple images in one go with unified settings, previews, and bulk downloads.
Time Studio
Convert timestamps and dates between multiple formats with ease.
Hash Workbench
Generate SHA digests or HMAC signatures for payloads.
Color Lab
Convert between HEX/RGB or generate vibrant palettes instantly.
Identifier Forge
Mint UUIDs, Nano IDs, secure tokens, passwords, or filler text.
Practical guides
From the blog
Developer Guide to Using an Online XML Formatter and Validator
When you’re debugging XML APIs, configs, or logs, you often need a fast way to format, validate, and edit XML without installing anything. This guide shows how Toolcli’s browser-based XML formatter lets developers beautify, minify, and inspect XML entirely client-side.
Privacy-First XML Tools in Your Browser: Formatting, Validating, and Converting XML and JSON
When you need to inspect, validate, and convert XML without leaking logs or config files, in‑browser, privacy‑friendly tools help. This guide shows engineers how to use local XML formatting, validation, JSON conversion, and minification workflows safely for fast debugging.
Software Project Tracking Workflows for Developers Using Lightweight Online Tools
Developers, QA, and tech ops rely on software project tracking tools to keep tasks, bugs, and delivery dates aligned with code. This guide shows how to use privacy‑aware, browser‑based workspaces and utilities to structure everyday workflows without adopting a heavyweight project management suite.