Probe, diff, and validate before you commit.
Reading a regex against a corpus, spotting the one differing line in two configs, checking if a color value matches the design token — these are the small inspections that swallow afternoons. Regex Tester runs your pattern against test strings with capture-group highlighting. JSON Diff finds the structural delta between two API responses. Color Converter maps HEX, RGB, HSL, and OKLCH so design and code agree. All three are pure-client; paste production payloads without worry.
Test regular expressions with live matching, highlighting, and capture groups.
Convert between HEX, RGB, and HSL color formats with live preview.
Structural diff of two JSON objects — highlights added, removed, and changed keys.
Inspect Unicode code points, escapes, normalization forms, and byte breakdowns of any string.
Yes — global, case-insensitive, multiline, sticky, and unicode.
Text diff is noisy when keys reorder. Structural diff ignores property order and reports semantic changes.