Free tools.
The small tools we reach for while building: JSON, diffs, encoding, time, SQL, and generators. Free, no sign-up.
Developer tools
- JSON studioFormat, validate and compare JSON, convert it to YAML, or flatten it into a table.FormatYAMLTable
- DiffCompare two texts line by line, or two lists item by item.TextLists
- Encode and decodeBase64, escaping for JSON, URLs and HTML, and number bases.Base64EscapeNumber base
- GeneratorsUUIDs, strong passwords and random numbers, made in your browser.UUIDPasswordRandom number
- TimeConvert timestamps, compare time zones, and read cron expressions.TimestampsTime zonesCron
- WritingPreview Markdown, and count words, sentences and reading time.MarkdownText stats
- JWT decoderDecode a JSON Web Token and read its header, payload and expiry.
- SQL formatterFormat or minify SQL so it is readable in a review.
- LinkedIn post generatorDraft LinkedIn posts from a topic, with AI. You edit before you post.