Productivity & Formatting
6 toolsFree online productivity & formatting tools — all fully client-side, no sign-up required.
Word & Character Counter
Count words, chars, sentences.
word countercharacter counterword count
Text Compression Demo
Compress via LZ-String.
text compressorcompress textLZ-String
Levenshtein Distance
Measure edit distance.
Levenshtein distanceedit distancestring similarity
Text Width Calculator
Measure pixel width.
text width calculatorpixel widthtext measurement
CSV ↔ JSON Converter
Convert between formats.
CSV to JSONJSON to CSVCSV JSON converter
HTML to Markdown Converter
Convert HTML to Markdown via Turndown.
HTML to MarkdownHTML to MDconvert HTML to Markdown