Simple, Private Web Tools Right in Your Browser.

Transcribe audio files locally in your browser with precise timestamps using WebAssembly.

Count tokens using SOTA model tokenizers and estimate API costs client-side with 100% privacy.

Combine multiple PDFs into a single document in any order.

Extract or remove individual pages from PDF documents.

Reduce PDF file size by removing unused objects and optimizing streams.

Rotate individual pages or entire PDFs by 90, 180, or 270 degrees.

Convert each PDF page to a high-resolution JPG image.

Convert multiple JPG images into a single PDF document.

Add password encryption to PDF files to prevent unauthorized access.

Stamp text or image watermarks onto PDF pages.

Insert page numbers into PDF documents with custom position and formatting.

Reorder, delete, or extract pages from PDF documents.

Remove password protection from PDF files (requires you to know the password).

Draw, type, or upload a signature to sign PDF pages locally with drag-and-drop scaling.

Crop PDF margins and resize pages to standard sizes (A4, Letter, Legal) client-side.

Extract raw text streams and rebuild structured page layout lists locally.

Count words, characters, sentences, and paragraphs in real-time, plus keyword density analysis.

Transform naming conventions between camelCase, snake_case, kebab-case, and more.

Clean spaces, deduplicate lines, remove empty lines, strip HTML, sort lists, and run search-and-replace queries.

Dictate speech to text and narrate text to speech offline using native Web Speech APIs.

Convert Markdown markup to HTML and vice versa in real time with side-by-side rich HTML previews.

Shuffle lists, draw random items, pick names, or choose raffle winners from custom line feeds.

Validate, beautify, and minify JSON data with real-time tree structure explorer.

Compare two text blocks or code files side-by-side or inline to highlight additions, deletions, and character modifications.

Decode JSON Web Tokens (JWT) header, payload, and signatures client-side, with claims validation.

Test regular expressions, highlight matches, and inspect capturing groups.

Format, beautify, and capitalize SQL dialect statements client-side.

Convert standard HTML templates and properties into React-compatible JSX elements client-side.

Encode text or files to Base64 and decode Base64 back to readable format instantly.

Percent-encode or decode strings and edit query parameters interactively in a tabular grid layout.

Calculate MD5, SHA-1, SHA-256, and SHA-512 cryptographic checksum digests.

Generate secure random passwords and calculate cryptographic entropy strength.

Generate and customize CSS box shadows with live preview, inset options, and copy-paste code snippets.

Convert Unix epoch timestamps to human-readable dates (UTC and local timezone) and vice versa.

Build cron schedule expressions visually or parse raw cron expressions into readable English sentences.

Build, preview, and print a pristine, multi-page professional resume natively in your browser.

Convert Apple HEIC photos to standard JPG or PNG format instantly in batch.

Resize, compress, and convert multiple images at once. Download as ZIP.

Crop images visually to standard aspect ratios or circular profile formats.

Minify and optimize vector SVG markup by stripping comments, namespaces, and rounding decimals.

Generate customizable QR codes with custom colors, size, margins, and center logo overlays.

Project Monthly Recurring Revenue growth, Customer Lifetime Value cohorts, and churn rates.

Calculate employee option vesting schedules, stock valuations, and founder dilution curves.

Model principal vs interest amortization schedules over 10 to 30 years.

Model stock option pool dilutive rounds and share pricing dilution schedules.

Calculate Customer Lifetime Value (LTV), LTV:CAC efficiency ratios, and cohort decay curves.

Model fixed vs variable costs, contribution margins, and units break-even lines.

Roll multiple interactive 3D dice with custom sides, animated physics, and text-to-speech totals.

Split a list of names into randomized teams effortlessly.

Flip a realistic 3D coin instantly for a truly random heads or tails result.

Create a custom spin wheel, add options, and let fate decide with physics-driven spins.

Play the classic 2048 puzzle game. Slide tiles, merge matching numbers, and aim for the 2048 tile!