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Featured Engineering Tools Ranked by US / UK Developer Demand
Smart PDF Merger
Combine multiple engineering reports, datasheets, schematics, and design docs into a single crisp PDF. Reorder documents with drag-and-drop and compile instantly in browser memory.
JSON & YAML Formatter
Format, beautify, minify, validate, and convert seamlessly between JSON and YAML. Features accurate syntax error line reporting, 2/4 space indentation, and instant minification.
Unix Epoch & Timestamp
Convert Unix seconds and milliseconds into human-readable UTC, ISO-8601, US Eastern/Pacific, and UK GMT/BST times. Includes a live ticking Unix clock and batch converter.
Base64, Hex & Hash Converter
Encode and decode UTF-8 text and binary files to Base64, Hexadecimal (0x), and Binary (0b8). Computes SHA-256 and SHA-1 cryptographic hashes via native Web Crypto.
Regex Tester & Debugger
Test regular expressions with real-time highlighted match overlays, capture groups, and replacement substitution previews. Includes an interactive developer cheat sheet.
Linux gVim Cheat Sheet & Config
Essential command reference for Linux gVim: visual block column editing, X11 system clipboard integration, text objects, search & replace, and an interactive .vimrc generator.
Code & Text Diff Checker
Compare two text documents, Verilog RTL, JSON, or configs with character-level difference highlighting. 100% private in-browser computation with zero server uploads.
Photo Background Remover
Erase backgrounds from photos, product images, signatures, schematics, and logos to generate transparent PNGs. 100% in-browser memory with zero data upload.
Image Size Reducer & Compressor
Reduce JPG, PNG, and WebP images to exact target byte sizes (50KB, 100KB, 200KB) with automated binary-search quantization. Zero visible quality loss.
Universal File Size Reducer
Compress PDF reports, design documents, high-res images, and text payloads with multi-level stream compression. Shrink file sizes by up to 80% entirely on-device.
Image Aspect Ratio Resizer
Resize and crop photos to 16:9, 1:1, 4:3, 9:16, 4:5, or custom dimensions with smart edge cropping or letterbox padding. Zero distortion or stretching.
Specialized Engineering Suites & Hardware Labs
Complete PDF Engineering Suite
Split chapters, rotate schematics, compress large design files, add confidentiality watermarks, and stamp page numbers entirely in memory.
Engineering & VLSI Calculator
Calculate setup/hold margins, clock skew budgets, wire RC delays, transistor logical effort, and gate capacitive loading in seconds.
Register Map Generator
Convert register address definitions into synthesizable APB/AXI address decoders, C header structs, and documentation tables simultaneously.
Interactive Transistor Simulator
Explore MOSFET channel inversion, depletion regions, carrier drift velocity, and I-V characteristic curves with real-time physical parameters.
Hardware Vision & Object Detector Lab
Interactive silicon microarchitecture simulator: dual BRAM line buffers, 3×3 sliding window matrix, and zero-latency hardware bounding box object tracking with synthesizable Verilog RTL.