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SPCXTools

Developer Tools — Free Online

Formatters, encoders, decoders and generators for everyday development.

8 tools

Base64 Encode & DecodeConvert text and files to Base64 and back, with full UTF-8 and Base64URL support.Hash GeneratorCalculate MD5 and SHA checksums for text or files and verify downloads against a known hash.JSON Formatter & ValidatorBeautify, minify and validate JSON instantly, with clear error locations.JWT DecoderDecode JSON Web Tokens, check expiry and verify HMAC signatures — privately, in your browser.Regex TesterWrite a regular expression and see every match, capture group and replacement live.Unix Timestamp ConverterConvert epoch timestamps to readable dates and dates to Unix time, with automatic seconds/milliseconds detection.URL Encode & DecodePercent-encode text for URLs or decode encoded URLs and query strings back to readable text.UUID GeneratorGenerate secure random UUIDs (v4) or sortable time-based UUIDs (v7), singly or in bulk.