Tools

ToolsA collection of free browser-based tools for financial comparisons, PDFs, chess, passwords, QR codes, audio, images and video.Free browser tools for savings and loan comparisons, offline chess games, chess openings, PDFs, passwords, QR codes, audio, images and video.Use these browser tools for practical local workflows: savings and loan comparisons, PDF editing, chess, password and QR code generation, audio cutting and transcription, color-based background removal, and photo sequence videos.The tool index links directly to every browser-based app so crawlers and visitors can discover the exact utility they need.Available tools

PDF Tools - Organize, merge, split, rotate, optimize and convert PDFs locally in your browser.

Chess Opening Trainer - Practice 21 chess openings online for free, or import your own PGN repertoire. Learn by playing moves, repeat variations and explore Stockfish analysis. No account required.

Chess Game - Play chess against another person on the same device with move history, undo and restart controls, local Stockfish analysis and an optional evaluation bar.

Password Generator - Generate strong passwords or independently random 32, 48 and 64-byte secret keys locally in Base64url or hexadecimal format.

QR Code Generator - Create custom QR codes for links, text, contact data, payments, Wi-Fi and more directly in the browser.

Audio Editor - Upload audio, select waveform ranges, collect clips and export edited WAV files locally from the browser.

Audio Transcription - Upload audio files and transcribe them locally into text, JSON or subtitle formats from the browser.

Image Background Remover - Select an image background color, refine its tolerance and soft edges, then export a transparent PNG locally in your browser.

Photo Morph Video - Arrange photo sequences and render a local MP4 or WebM video with soft blend or face mesh warp.

Save or Loan Calculator - Compare the time needed to save for a goal with buying now and repaying a loan using separate monthly amounts.

This website requires JavaScript for the full interactive experience.Home Learning Reinforcement Learning Neural Networks Large Language Models Semantic Web Program Synthesis Tools PDF Tools Chess Opening Trainer Chess Game Password Generator QR Code Generator Audio Editor Audio Transcription Image Background Remover Photo Morph Video Save or Loan Calculator