AI Prompt PII & Secret Leak Scanner
Detect and redact sensitive data before sharing AI prompts
Free · No sign-up · 50+ tools
Your Developer
Toolkit, online.
Free, fast, and practical developer tools that run instantly in your browser. JSON, encoding, hashing, time, and more.
79+Free tools
17Workflows
0Sign-ups needed
All tools79 tools
AI Tools
3 toolsJSON Tools
4 toolsCSV & Tables
2 toolsXML & YAML
4 toolsWeb & Code
10 toolsJavaScript Beautifier & Minifier
Format or minify JavaScript
CSS Beautifier & Minifier
Format, optimize, and minify CSS code
HTML Beautifier & Minifier
Format, optimize, and minify HTML code
Regex Tester
Test regular expressions interactively
Schema Markup Validator
Validate JSON-LD schema markup and rich result readiness
Source Map Stack Trace Resolver
Decode minified stack traces with source maps
Color Converter
Convert colors across CSS, mobile, and design-token formats
HTML CSS JS Playground
Write frontend code, run it safely, and debug the result in your browser.
Video Picture-in-Picture
Keep a local video, direct URL, webcam, or screen capture visible while you work.
Document Picture-in-Picture
Upload or open a document and keep its scrollable preview visible while you work.
Text & Markdown
1 toolsImages & QR
7 toolsQR Code Generator
Generate QR codes instantly from URLs, text, or JSON — no backend needed
Code Screenshot Generator
Create beautiful, shareable images of your code
Image to WebP Converter
Convert images to WebP format instantly in your browser
Screenshot to Text & Code
Extract text and code from screenshots with local OCR
Open Graph Previewer
Preview social cards and debug Open Graph, Twitter Card, and HTML metadata
Screenshot Full Webpage
Capture public webpages as full-page or viewport images
Animated QR File Transfer
Transfer small files through animated QR codes with no upload, account, network, or pairing.
Numbers & Units
3 toolsHashing
3 toolsEncoding & Escaping
4 toolsBase64 Encoder & Decoder
Encode text to Base64 or decode Base64 back to text
URL Encoder & Decoder
Encode text to URL-safe format or decode percent-encoded strings back to text
HTML Escape & Unescape
Encode HTML entities or decode them back — in one workspace
Image ↔ Base64 Converter
Convert images to Base64 and decode Base64 back to images
Credentials & Privacy
5 toolsAPI & Networking
8 toolsHTTP Header Parser
Parse HTTP headers
Swagger / OpenAPI Viewer
Visualize and explore OpenAPI 3.x and Swagger 2.0 specs instantly
Mini Postman (API Tester)
Test REST APIs directly in your browser — no install needed
Internet Speed Test
Check download speed, latency, jitter, and upload availability from your browser
Mixpanel Toolkit
Local Mixpanel event sandbox
Browser P2P File Transfer
Send files directly between two browsers using WebRTC. No upload, no account, no server storage.
Browser Video Call
Make a direct one-to-one P2P video call with screen sharing and private browser-to-browser chat.
cURL to Code Converter
Convert HTTP requests across cURL, code, HAR, and structured formats with local secret protection.
Time & Scheduling
6 toolsUnix Timestamp Converter
Convert timestamps to dates
Timezone Converter
Convert between timezones
ISO8601 Formatter
Format and parse ISO8601 dates
Cron Expression Generator
Build, validate, and visualize cron schedules with timezone-aware simulation
Pomodoro Timer
Run accurate focus and break cycles, track daily progress, and keep the timer visible.
Stopwatch
Measure drift-free elapsed time, record lap statistics, and save or export sessions locally.
Document
5 toolsMarkdown Editor & Previewer
Live markdown editor with preview
Lorem Ipsum Generator
Generate placeholder text for your designs instantly
Word Counter
Count words, characters, sentences and paragraphs instantly
HTML to Markdown Converter
Convert HTML and webpages into clean Markdown
Floating Notes
Write private notes and checklists that autosave locally and stay visible in a floating view.
Financial
4 toolsCurrency Formatter
Format currency values
Number to Words Converter
Convert numbers to words in English and Indonesian with currency and check writing support
Work Hours Calculator
Calculate work hours, WFO/WFH count, leave, business trips, client visits, and overtime using your company rules.
Invoice Generator
Create professional PDF invoices locally with accurate totals, branding, and reusable history.
Developer Workflow
6 toolsUUID/GUID Generator
Generate unique identifiers instantly
Fake Data Generator
Generate mock data
Commit Message Generator
Generate conventional commits
Gitignore Generator
Generate production-ready .gitignore files for any tech stack
GitHub Profile README Builder
Build a credible, project-first GitHub profile README that stays clean and GitHub-safe
Music Player
Play private local audio, arrange a playlist, and keep compact controls visible while you work.
Compare & Validate
4 toolsCode Diff Checker
Compare code/text side-by-side
JSON Diff Checker
Spot every change between two JSON objects instantly
CSV Diff Checker
Compare two CSV files with key-based diff and field-level change detection
Broken Link Checker & Cleaner
Find, remove, and replace dead URLs from text, files, and webpages