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MyDailyTool
190+ free tools, zero signup

Every tool you need for the daily work

Calculators, converters, developer utilities, and text tools — all running locally in your browser. Fast, private, and free.

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Developer Tools

JSON Formatter

Pretty-print, minify, and validate JSON. Detects syntax errors with line numbers and supports nested structures of any depth.

Developer Tools

JSON Diff

Compare two JSON values semantically. Ignores key order; shows added, removed, and changed fields with their JSONPath — great for diffing API responses and config files.

Developer Tools

Regex Tester

Test JavaScript regular expressions live with instant match highlighting. Supports all JS regex flags (g, i, m, s, u) and shows match groups, indices, and global matches.

Developer Tools

URL Encoder/Decoder

Percent-encode and decode URLs and query string values. Handles full URLs or individual components — paste any URL to encode special characters or decode percent-encoded strings.

Text & String

Text Diff

Side-by-side diff comparison of two text blocks with line-by-line highlighting. Shows added, removed, and changed lines — useful for comparing document versions or config files.

List Tools

List Set Operations

Perform set operations on two lists: union, intersection, difference, A-only, B-only, and symmetric difference. Paste two lists and choose the operation — results update instantly.

Date & Time

Days Between Dates

Calculate the number of calendar days between any two dates. Also shows the difference in weeks, months, and years — useful for project timelines and deadline tracking.

Math

Percentage Calculator

Calculate what percent of a number is, find percent change, and reverse-calculate any percentage. Three modes — pick the one that matches your problem, get the answer instantly.

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