FetchToolKit — Precision Browser Utilities
Fast, private utilities engineered for instant local processing inside your browser via Web Workers and WebAssembly. Press Cmd+K or / anytime to jump directly to any utility.
Image Tools
Image Compressor
Reduce JPEG, PNG, and WebP byte sizes using local WebAssembly codecs and a Smart Size Guard that never inflates already-optimized files.
Image Resizer
Scale JPEG, PNG, and WebP images to exact pixel dimensions or percentages with aspect-ratio lock and high-quality resampling.
JPG to WebP Converter
Convert JPEG photos into compact WebP files locally in your browser using WebAssembly encoding.
PNG to JPG Converter
Convert PNG graphics and screenshots to JPEG format with customizable background color compositing for alpha transparency.
Text Tools
Word Counter
Count words, sentences, paragraphs, reading time (225 WPM), speaking time (130 WPM), and top keyword density locally.
Character Counter
Measure character count, space-excluded count, visible Unicode graphemes, and UTF-8 bytes against live platform limits.
Case Converter
Transform text and identifiers across 9 prose and programming case conventions locally in your browser.
Duplicate Line Remover
Deduplicate up to 250,000+ lines off-main-thread while preserving original order or sorting alphabetically.
Developer Tools
JSON Formatter
Beautify or minify JSON payloads up to 10 MB in a background Web Worker with optional recursive key sorting.
JSON Validator
Validate JSON against RFC 8259 with exact line/column error pointers and one-click JSONC trailing-comma repair.
Base64 Encoder & Decoder
Encode and decode multi-byte UTF-8 strings between plain text, standard Base64, and URL-safe Base64url.
URL Encoder & Decoder
Encode and decode URL query parameters and full URIs locally with RFC 3986 and form-urlencoded space handling.