Why Offline Tools?
Offline tools run entirely in your browser. This means your data never leaves your device. Whether you're editing sensitive PDFs, generating passwords, or resizing images, you can trust that no server is processing your information.
All Offline Tools
API Tester
Test APIs with a Postman-like interface.
Task Tracker
Kanban-style task management with dynamic statuses.
Summarizer
Summarize text using Chrome's built-in AI.
Proofreader
Check grammar and spelling with Chrome's built-in AI.
AI Chat
Chat with Chrome's built-in Gemini Nano AI locally.
Bookmarks
Save and organize your favorite links locally.
Stopwatch
Track time with laps and precise milliseconds.
Pomodoro
Stay focused with the Pomodoro technique.
Timezone
Convert times across different timezones easily.
Notes
Quick notes with colors and pinning.
CSV Editor
Edit CSV files with a spreadsheet-like interface.
JSON Editor
View, edit and format JSON with validation.
LLM Token Compression
Minify JSON by removing spaces and formatting to reduce prompt token usage.
LLM Token Calculator
Estimate LLM tokens and approximate prompt cost from text.
Credit Card BIN Checker
Check BIN/IIN prefixes to detect likely card network and BIN traits.
Regex Lab
Test regex against sample text with explainers.
Diff Checker
Side-by-side text and code diff checker.
JWT Inspector
Decode and verify JWT structure offline.
Prompt Library
Local prompt templates for AI workflows.
Image Renamer
Bulk rename images with custom patterns.
Image Metadata Cleaner
Strip EXIF metadata from images locally.
Color Lab
Random palettes, eyedropper, and image color sampling.
Internet Tool
Check IPv4/IPv6 and run a quick speed test.
Session Manager
Create, pin, search, and edit named work sessions.
Reminders
Set reminders with notifications.
Calendar
Visual calendar with reminders integration.
Image Format Converter
Convert image formats locally (JPEG, PNG, WebP, AVIF).
Audio Recorder + Trimmer
Record audio, trim timeline, export locally.
Video Trimmer
Trim uploaded video clips and export locally.
Social Downloader
Fetch Instagram and TikTok reels, images, and profiles.
Local Transcript Tool
Speech-to-text on-device with local transcript export.
QR Generator
Create QR codes for text, phone, email, WhatsApp & links.
Signature
Draw or type your signature and download as PNG.
PDF Sign
Sign PDF documents with digital signatures.
PDF Toolkit+
Merge, split, rotate, reorder, and redact PDFs.
Whiteboard
Excalidraw-powered whiteboard for diagrams and sketches.
Focus Mode
Block distracting websites to stay productive.
Compression
Compress images and files locally.
Image Cropper
Crop images with aspect ratio presets. Single or bulk processing.
Image Resizer
Resize images with aspect ratio locking. Single or bulk processing.
Image Merger
Combine two images horizontally or vertically with spacing and alignment controls.
Local OCR
Extract text from images entirely on-device.
Invoice Generator
Create, save, and export professional invoices to PDF/PNG locally.
App Icon Generator
Generate iOS, Android, and PWA icons with manifest.json from a single image.
AI Writer
Proofread, summarize, and simplify text entirely on-device with local AI.
Background Remover
Remove backgrounds from images locally using professional AI models.
Password Generator
Create strong, secure passwords instantly.
Media Test
Test your camera, microphone, and speakers.
Professional Researcher
Deep-dive researcher. Searches web or processes PDFs into a local vector DB to generate 10-page reports.
Spree — Spreadsheet Intelligence
Chat with CSV, Excel & JSON data. Spree writes & runs code to analyze locally.
Excel Text Tools
Multi-line text utilities: Remove duplicates, sort, randomize, and pick items.
Unit Converter
Convert across 25+ categories for daily and engineering units.
Interest Calculator
Simple, compound, and SIP growth estimates with charts.
EMI Calculator
Loan EMI, total payable, and amortization schedule.
Tax Calculator
Estimate taxes for India, US, and UK with slab breakdown.
Salary Calculator
Country-aware gross to net salary estimates.
Expense Tracker
Track income/expenses with charts, filters, and CSV import/export.
WhatsApp Screenshot Generator
Generate editable WhatsApp chat mock screenshots.
Instagram Screenshot Generator
Create Instagram post and profile screenshot mocks.
Google Search Screenshot Generator
Build editable Google-style search result screenshots.
ChatGPT Screenshot Generator
Create ChatGPT-style home and chat screen screenshots.
Meme Generator
Build memes from templates or uploads with draggable text.
Schema Data Generator
Generate bulk mock data (JSON/CSV) based on your custom schema locally.
On-Device Semantic Search
Index and search text by meaning (vectors) locally using transformers.js.
Local PII Redactor
Automatically mask sensitive PII (Names, Emails, SSNs) using local AI.
Habit Tracker
Build consistency with local habit tracking and streaks.
Contract Risk Analyzer
Analyze legal documents for red flags, hidden fees, and key clauses using local AI.