TOOLBIT

Professional Developer Tools That Just Work

10 essential tools for developers. No bloat, no tracking, no sign-up required. 100% client-side processing. Lightning fast. Always free.

100% Local
0 Uploads
10 Tools
Free Forever
▼ Start Executing

▸ All Tools

Professional-grade utilities for everyday development tasks. Click any tool to get started.

📄

JSON Formatter

Debug malformed JSON locally with tree view and search. Validate large API responses without uploading. Perfect for sensitive config files.

Local-First Tree View Large Files
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🔍

RegEx Tester

Debug regex patterns with instant highlighting and explanations. Test against production logs locally. Export matches to JSON/CSV for analysis.

Live Preview Pattern Library Export Data
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🔐

Base64 Encoder

Encode images and data URIs without server uploads. Handle authentication tokens locally. URL-safe encoding for API work.

Image Support No Upload URL-Safe
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🎨

Color Palette

Generate accessible color schemes with real-time WCAG contrast checking. Extract colors from images with K-means. Export to CSS, JSON, or PNG with colorblind simulation.

WCAG Ready Image Extract Harmony Rules
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🔒

Hash Generator

Verify file integrity locally without uploading binaries. Batch hash multiple files, parse checksum files, and compare against known values.

Batch Files Checksum Verify 6 Algorithms
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🔗

URL Encoder

Debug API endpoints with query string parsing. Encode special characters for webhooks. Extract and validate URL components instantly.

Parse Params Component View API Ready
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📝

Lorem Ipsum

Mock realistic content for UI testing with 8 text styles. Pre-built templates for emails, profiles, and articles. Copy-paste ready formatting.

8 Styles Templates UI Testing
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⏰

Timestamp

Debug timestamp mismatches across timezones. Convert Unix epochs to human-readable dates. Calculate time differences for logs and debugging.

Unix Epoch Timezone Math Live Clock
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📊

Diff Checker

Compare config files and API responses with visual highlighting. Side-by-side and unified views. Export diffs for documentation or reports.

Visual Diff Multiple Views Export
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✨

Prompt Optimizer

Structure AI prompts for better responses from ChatGPT and Claude. Transform vague requests into precise instructions with examples and context.

Structured AI-Ready Templates
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▸ Built for Daily Dev Friction

No premium tiers, no paywalls, no limits. Professional tools accessible to everyone

🔒

100% Local Execution

Process sensitive config files, API keys, and production data without uploading. Your data never touches a server.

📦

No File Size Limits

Handle massive JSON responses and log files that crash AI tools. Client-side processing means no upload restrictions.

🔄

Built for Iteration

Tweak, test, refine in real-time. Perfect for regex debugging, JSON validation, and rapid experimentation workflows.

👁️

Visual Feedback

See matches highlighted, errors pinpointed, diffs visualized. What AI describes in text, we show you instantly.

⚡

Zero Friction

No sign-up, no prompting, no waiting. Click and execute. Tools ready the moment you need them.

💾

Muscle Memory

Bookmark-friendly URLs, persistent settings, keyboard shortcuts. Built for developers who value speed and consistency.

Built by Developers, for Developers

ToolBit is an open-source project created to provide high-quality developer tools without the bloat. If you find these tools useful, consider supporting the project.