Everything runs in your browser. Nothing is uploaded.
Create QR codes with custom colors and error correction.
Open tool →Live word, sentence, and paragraph counting with reading time estimates.
Open tool →Generate cryptographically strong passwords with custom length and character sets.
Open tool →Validate and pretty-print JSON.
Open tool →Shrink image file size without leaving your browser.
Open tool →Quick percentage calculations.
Open tool →Count characters, bytes, and whitespace in any text.
Open tool →Convert length, weight, temperature, volume and more.
Open tool →Pick colors, convert HEX/RGB/HSL and check WCAG contrast.
Open tool →Switch text between UPPER, lower, Title, camelCase and more.
Open tool →Generate placeholder text in paragraphs, sentences or words.
Open tool →Merge PDFs, split pages or remove pages — privately.
Open tool →Crop images to 1:1, 4:5, 16:9 and more.
Open tool →Compare two texts and highlight what changed.
Open tool →Encode and decode Base64 and URL strings.
Open tool →Generate random v4 UUIDs in bulk.
Open tool →SHA-1, SHA-256, SHA-384 and SHA-512 for text and files.
Open tool →Convert Unix timestamps to dates and back.
Open tool →Decode JWT header, payload and expiry locally.
Open tool →Test regular expressions with live match highlighting.
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