Tool category
Developer tools
JSON, encoding, regex, text cleanup, counting, sorting, diffing, and formatting tools.
Top developer tools
Start with the most common tools in this category, then continue into the complete directory below.
JSON Formatter
liveFormat, validate, minify, sort, inspect, and copy JSON locally in your browser.
Open toolBase64 Encoder / Decoder
liveEncode text to Base64 or decode Base64 back to UTF-8 text with standard and URL-safe output options.
Open toolURL Encoder / Decoder
liveEncode URLs, URL components, and query values or decode percent-encoded URL text locally in your browser.
Open toolAll developer tools
Every live PlanetToolbox page currently grouped under Developer.
Regex Tester
liveTest JavaScript regular expressions with flags, match indexes, capture groups, and replacement previews.
Open toolWord Counter / Text Counter
liveCount words, characters, sentences, paragraphs, lines, reading time, and top keywords in pasted text.
Open toolCharacter Counter
liveCount characters, letters, digits, punctuation, spaces, lines, longest line length, and UTF-8 bytes.
Open toolText Formatter
liveClean text, convert case, remove spaces, normalize blank lines, create slugs, and format pasted text locally.
Open toolRemove Line Breaks Tool
liveRemove line breaks, join lines with spaces, commas, custom separators, and clean copied text without uploads.
Open toolText Diff Checker
liveCompare two blocks of text line by line with added, removed, unchanged, and similarity summary results.
Open toolList Sorter
liveSort lists alphabetically, numerically, or by length while trimming items, removing blanks, and deduplicating entries.
Open toolBrowse more categories
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