Tools
Word / Character CounterCase ConverterLorem Ipsum GeneratorJSON FormatterRegex TesterCron Expression ParserString Escape / UnescapeSQL Formatter
Merge PDFSplit PDFPDF to ImageImage to PDFCompress PDFUnlock PDF
Image EditorImage ConverterImage ResizerImage CropperOCR Text ExtractorImage Compressor
Hash GeneratorQR Code GeneratorPassword GeneratorColor Palette GeneratorRandom Number GeneratorUUID Generator
Base64 Encoder/DecoderURL Encoder/DecoderHTML Encoder/DecoderUnicode Encoder/DecoderASCII Encoder/Decoder
JSON ViewerCSV ViewerMarkdown ViewerJWT ViewerDiff Viewer
JSON → YAMLJSON → XMLJSON → TypeScriptJSON → CSVYAML → JSONCSV → JSONXML → JSONMarkdown → HTMLTOML → JSONUnix Timestamp ConverterJSON → TOMLUnit ConverterData Size ConverterHEX ↔ RGB Converter
Finance
Severance Pay Calculator
Daily
Tip CalculatorAge CalculatorElectricity Cost CalculatorDate CalculatorD-Day Calculator100-Day Anniversary CalculatorRelationship Days CalculatorTime CalculatorPercentage CalculatorRatio CalculatorAverage CalculatorDiscount Calculator
Health
Sleep CalculatorBMI CalculatorBMR CalculatorDaily Calorie CalculatorBody Fat CalculatorWater Intake Calculator
Study
GPA CalculatorExam Average Calculator
Utility
Area CalculatorVolume CalculatorSpeed CalculatorAspect Ratio Calculator

Encoders / Decoders

Select an encoding tool to get started.

Base64 Encoder/Decoder

Encode and decode Base64 strings.

URL Encoder/Decoder

Encode and decode URL strings.

HTML Encoder/Decoder

Encode and decode HTML entities.

Unicode Encoder/Decoder

Encode and decode Unicode escape sequences.

ASCII Encoder/Decoder

Convert text to and from ASCII codes.

Encoding and decoding are fundamental operations in web development and data transmission. Base64 converts binary data into ASCII text for safe transport over text-based protocols; URL encoding makes special characters safe to include in query strings; HTML entity encoding prevents XSS and ensures correct rendering of reserved characters in web pages.

All tools run entirely in your browser — no data is sent to a server, making them safe for sensitive content. The collection covers Base64 (with URL-safe variant support), URL percent-encoding, HTML entity encoding, Unicode escape sequences, and ASCII code conversion — everything you need for encoding tasks in daily development workflows.