Featured Tools & Extension
Fast, privacy-focused browser utilities and developer tools built for daily engineering workflows.
Browser Utilities
JSON Formatter & Validator
Format, validate, repair, and minify JSON payloads instantly in your browser with zero server latency.
Base64 Encoder & Decoder
Safely encode and decode UTF-8 strings, URLs, and binary buffers to Base64 format locally.
JWT Inspector & Token Debugger
Decode JSON Web Token headers, payloads, and expiration timestamps without leaking sensitive auth claims.
Cryptographic Hash Generator
Generate SHA-256, SHA-512, and MD5 checksums locally using native Web Crypto API standards.
Password & Shuffle Generator
Generate cryptographically secure passwords and shuffle any list or string. 100% client-side via crypto.getRandomValues.
cURL to Code Converter
Convert cURL commands to JavaScript Fetch, Axios, Node.js, Python requests, Go, and PHP snippets instantly in your browser.
Regex Matcher & Syntax Tester
Test Regular Expression patterns against input text with live match highlighting and group extraction.
Cron Expression Visualizer & Generator
Parse 5-part and 6-part Cron expressions, get human-readable descriptions, and calculate the next 5 scheduled execution times in local and UTC.
SQL & cURL to JSON Converter
Convert SQL INSERT statements and cURL commands into clean, structured JSON arrays. Supports datatype inference, header extraction, and multi-format export.
ATS Resume Generator
Build ATS-optimised developer resumes in your browser. Live preview, section editor, and one-click PDF export. Zero server upload - 100% client-side.
PDF Suite (Compress, Merge & Split)
Compress, merge, and split PDF documents 100% locally inside your browser memory sandbox. Zero server uploads.
Edit PDF
Add text, images, signatures and whiteout to any PDF. Fill forms, manage pages, and export- 100% client-side, no upload.
AI Prompt Context Builder
Sanitize raw technical context (code, logs, schemas) and generate optimized LLM system prompts locally.
Diff Checker
Compare two text or code files side by side with line-level and character-level diff highlighting. 100% client-side, zero upload.
JSON Graph Visualizer
Visualize JSON as an interactive node graph with pan, zoom, expand/collapse, and PNG export. 100% client-side.
Code Complexity Analyzer
Analyze cyclomatic and cognitive complexity per function for JS, TS, Python, Java, Go, C, and C++. Get actionable refactor suggestions. 100% client-side.
Tool Pipeline Builder
Chain developer tools in sequence. Base64 decode → JSON format → JWT inspect → Regex filter. Each step feeds the next. 100% client-side, shareable via URL.
IDE & VS Code Extensions
Office Editor (Docx, Xlsx) - VS Code Extension
Edit Word (.docx) and Excel (.xlsx) files directly inside VS Code without switching apps.
In-editor .docx rich text editing & formatting.
High-performance .xlsx viewer & editor powered by Tabulator (10k+ rows support).
Toggle raw JSON data view for spreadsheet inspection.
Built for Daily Developer Workflows
Free, browser-based utilities that format, validate, and convert data locally. No accounts, no ads, no backend data collection.