🛠Dev
Developer tools cover the everyday workflow: format and validate JSON, test regular expressions, decode JWTs, convert formats, generate hashes and inspect data. Built to speed up common tasks without leaving the browser.
136 tools
CSS Minifier
Minify CSS by removing comments, extra whitespace and line breaks. Reduces file size without changing behavior.
JS Minifier (basic)
Minify JavaScript by stripping line/block comments and extra whitespace. Works for simple code without full AST parsing.
HTML Minifier
Minify HTML by removing comments and collapsing whitespace between tags while preserving <pre>, <code> and <textarea> content.
PWA Favicon SVG Generator
Generate a simple inline SVG favicon from letter(s) or emoji and background color. Ready to paste into <head>.
service-worker.js Generator
Generate a basic service worker with cache-first or network-first strategy and a precache asset list.
Tailwind v3 Palette
Default Tailwind v3 palette (slate, gray, red, orange, amber, yellow, lime, green, emerald, teal, cyan, sky, blue, indigo, violet, purple, fuchsia, pink, rose) with 50-950 shades.
VS Code Snippet Generator
Build a JSON snippet ready to paste into VS Code *.code-snippets files, with prefix, multi-line body and tabstops $1, $2.
~/.ssh/config Generator
Build Host entries for the SSH config file: HostName, User, Port, IdentityFile, ForwardAgent, ProxyJump. Ideal for managing multiple servers.
NGINX server block Generator
Build an NGINX server block: server_name, listen, root, index, location / try_files, gzip and logs. Starter config ready.
NGINX Reverse Proxy Generator
Build an NGINX reverse proxy with backend upstream, default proxy_set_header (Host, X-Real-IP, X-Forwarded-*) and WebSocket support.
Git Merge Conflict Resolver
Splits a file with Git conflict markers into ours and theirs versions, lets you pick a side per hunk and outputs the resolved file.
JSON Size Analyzer
Analyzes a JSON payload and shows how many bytes each key takes, sorted by weight, with percentage of total and the full path per node.
SemVer Range Tester
Tests which versions satisfy a semver range (^1.2.3, ~2.0, >=1 <2) and explains the range as a lower and an upper bound.
i18n Translation File Diff
Compares two i18n JSON files and reports missing, extra and empty keys plus placeholder mismatches between the two locales.
Express Route Pattern Tester
Tests a URL against Express-style route patterns (/users/:id), showing which one matches first, the extracted params and route conflicts.
Log Pattern Analyzer
Groups log lines by pattern, replacing numbers, IDs and dates with wildcards, and ranks the groups by frequency with a sample of each.