Developer Toolkit
Fast, private, and free tools for creators.
Everything runs locally in your browser—no data is sent to our servers.
Image Compressor
Compress and resize images in browser. Choose JPEG/WebP/PNG quality. Real-time split-view comparison.
Sensitive Data Redactor
Securely blur or blackout sensitive info (API keys, faces) in screenshots. Zero server uploads.
App Icon Generator
Generate iOS (Xcode) and Android (Studio) icon assets from a single 1024x1024 image.
GPT Filter (De‑Yellow)
Remove yellow cast from AI images. Adjust temperature/tint, exposure, and contrast locally.
LLM Token Cost
Estimate token counts and API costs for GPT-4, Claude 3.5, and Gemini. Plan scaling budgets.
Regex Generator
Build regex via prompt or visual blocks. Live tester with highlighting and quick presets.
JSON Diff Viewer
Compare two JSON objects to see semantic differences. Highlights additions, removals, and changes.
Word Counter & Analyzer
Counts words, chars, sentences. Includes heuristic AI detection score and reading time.
JSON to SQL
Convert JSON arrays into SQL INSERT statements. Auto-detects columns and escapes strings.
CSV → JSON Converter
Auto-detect delimiters, RFC 4180 quotes support. Pretty JSON & NDJSON export.