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Free Online Sketch-Style Chart Generator
An online roughViz.js-based sketch chart tool with 2-12 editable rows to generate bar, horizontal bar, pie, and donut charts, with SVG export support.
Gotokit: a collection of online tools including calculators, developer utilities, and more.
M3U8 Online Player
Online M3U8 video player powered by hls.js, supporting HLS streaming, M3U8 URL parsing, and quality switching.
Loan Calculator
General loan calculator supporting amortized loan, deferred payment loan, and bond face value calculations.
Mortgage Calculator
Online mortgage calculator supporting loan amount, interest rate, and term inputs to calculate monthly payment, total interest, and amortization schedule.
Countdown Timer
Lightweight countdown tool with target datetime, quick-now fill, pause/resume control, and end notifications.
Pantone Color Picker
Pick colors online and match nearest Pantone references with HEX/RGB outputs, copy actions, and quick search links.
Unix Timestamp Converter
Convert between Unix timestamps and local datetime with seconds/milliseconds support and one-click current time fill.
Token/Secure Password Generator
A local secure password generator with length control, character sets, exclusion options, and strength scoring.
Color Wheel Studio
An iro.js powered color picker with color wheel interaction, HEX/RGB/HSL/HSV outputs, copy actions, and palette slots.
Online Gradient Art Generator
An Art of the Gradient inspired online tool for layered radial gradients, blend modes, random generation, and one-click CSS copy.
Online Image to Base64 Converter
An img64-inspired online image to Base64 converter with drag, drop, paste, and click upload. Outputs Data URI, CSS, HTML, and JSON formats with optional compression for quality and size. Fully browser-local.
Online Natal Chart Calculator
Natal chart calculator powered by CircularNatalHoroscopeJS with birth datetime and coordinates, generating chart wheel, ASC/MC, and major body positions.