a studio toolbox by algocrew
Quiet tools for serious developers.
29 formatters, converters, and generators that run entirely in your browser. Nothing uploads. Nothing tracks. Nothing costs.
29 tools · 0 servers · $0 forever
Browse all tools
29 tools shown
Developer Utilities
- /tools/json-formatter
JSON Formatter & Validator
Beautify, minify, and validate JSON instantly in your browser.
Open tool - /tools/json-to-typescript
JSON → TypeScript
Generate TypeScript interfaces from any JSON payload.
Open tool - /tools/jwt-decoder
JWT Decoder
Decode and inspect JWT header, payload, and claims.
Open tool - /tools/base64
Base64 Encoder / Decoder
Encode or decode Base64 text and data URLs.
Open tool - /tools/uuid-generator
UUID Generator
Generate cryptographically random v4 UUIDs in bulk.
Open tool - /tools/cron-builder
Cron Expression Builder
Build and explain cron schedules in plain English.
Open tool - /tools/password-generator
Password Generator
Generate strong random passwords with entropy readout.
Open tool - /tools/diff-checker
Diff Checker
Compare two texts line by line with a clear diff view.
Open tool - /tools/hash-generator
Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes.
Open tool
Frontend & Web
- /tools/css-gradient-generator
CSS Gradient Generator
Design linear and radial gradients with live CSS output.
Open tool - /tools/box-shadow-generator
Box-Shadow Generator
Craft layered CSS box-shadows with a live preview.
Open tool - /tools/color-contrast-checker
Color Contrast Checker
Check WCAG AA/AAA contrast ratios for any color pair.
Open tool - /tools/svg-to-jsx
SVG → JSX
Convert SVG markup into clean React JSX components.
Open tool - /tools/favicon-generator
Favicon Generator
Turn an image into a full favicon set with HTML tags.
Open tool - /tools/meta-tag-previewer
Meta Tag & OG Previewer
Preview Google, Twitter, and Open Graph cards live.
Open tool - /tools/color-converter
Color Converter
Convert colors between hex, RGB, HSL, and OKLCH.
Open tool
AI & Vibecoding
- /tools/token-counter
Token Counter & Cost Estimator
Count LLM tokens and estimate API cost per model.
Open tool - /tools/prompt-template-builder
Prompt Template Builder
Build reusable LLM prompts with typed variables.
Open tool - /tools/env-example-generator
.env Example Generator
Generate a safe .env.example from your real .env.
Open tool - /tools/regex-tester
Regex Tester & Explainer
Test regex with live matches and a plain-English breakdown.
Open tool
Converters & Formatters
- /tools/case-converter
Case Converter
Convert text between camel, snake, kebab, title, and more.
Open tool - /tools/markdown-to-html
Markdown → HTML
Convert Markdown to clean HTML with a live preview.
Open tool - /tools/csv-to-json
CSV → JSON
Convert CSV to JSON with header detection.
Open tool - /tools/timestamp-converter
Timestamp / Epoch Converter
Convert Unix timestamps to dates and back, any timezone.
Open tool - /tools/image-compressor
Image Compressor
Compress and resize images locally without quality loss.
Open tool - /tools/url-encoder-decoder
URL Encoder / Decoder
Encode or decode URLs and break down query parameters.
Open tool - /tools/word-counter
Word Counter
Count words, characters, sentences, and reading time.
Open tool - /tools/lorem-ipsum-generator
Lorem Ipsum Generator
Generate placeholder text as plain paragraphs or HTML.
Open tool - /tools/qr-code-generator
QR Code Generator
Generate downloadable QR codes for any text or URL.
Open tool
How Vibecode works
- Client-side only
- Every tool runs in your browser. It can't leak what it never sends.
- Offline after load
- Tools keep working when the network doesn't. No round trips, no spinners.
- No accounts
- Paste, convert, copy, leave. Nothing to sign up for, nothing to cancel.
built by algocrew
Need more than a toolbox? AlgoCrew builds the rest.
Web, mobile, cloud, and AI products — shipped by the studio that maintains these tools. If Vibecode saved you time today, imagine what a dedicated team does for your roadmap.