Data tools
Fast helpers for working with JSON, timestamps, CSV, and other structured payloads.
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16 tools in 1 categoriey match your search.
Data tools
Fast helpers for working with JSON, timestamps, CSV, and other structured payloads.
Base64 Encoder & Decoder
Encode plain text to Base64 or decode Base64 back to readable text.
Checksum Comparison Tool
Compare two checksum values and spot mismatches after normalizing common formatting differences.
Code Beautifier & Minifier
Format or minify HTML, CSS, JavaScript, and SQL for easier reading or smaller output.
Cron Expression Tester
Test a cron expression, see upcoming run times, and understand what each field is doing.
CSS Purge Estimator
Compare CSS selectors against your markup to estimate what may be unused before purging.
CSV to JSON Converter
Convert CSV to JSON or JSON back to CSV with delimiter, quote, and header options.
Datetime to Timestamp Converter
Convert a date and time into a Unix timestamp with timezone-aware ISO output.
Hash Algorithm Explorer
Generate and compare hashes across different algorithms and checksum formats.
JSON Formatter & Validator
Pretty print, minify, and validate JSON with helpful error feedback.
JWT Decoder & Verifier
Decode JWT headers and claims, check timestamps, and verify HMAC-signed tokens.
Seconds to Time Converter
Convert a number of seconds into larger time units for TTLs, schedules, and planning notes.
Time to Seconds Converter
Build a total number of seconds from years, months, weeks, days, hours, minutes, and seconds.
Timestamp to Datetime Converter
Convert Unix timestamps into readable dates, UTC strings, and timezone-friendly formats.
UUID Batch Generator
Generate multiple UUIDs at once, with formatting options and a checksum for the batch.
XML Sitemap Generator
Build a sitemap.xml file from your URLs with priority, changefreq, and robots.txt helpers.
YAML to JSON Converter
Convert YAML to JSON or JSON back to YAML with indentation and structure checks.