OmniTool — Free Online Tools | PDF, Developer, Text & Design Utilities

PDF to Image Pro

Convert PDF pages to PNG, JPEG or WebP with DPI control, page range selection, background color, and quality slider.

Image to PDF Pro

Convert images to PDF with margins, quality, page size, watermark, page numbers, background color, and drag-to-reorder.

Merge PDF Pro

Merge multiple PDFs with page range selection per file, blank page insertion, metadata editing, and drag-to-reorder.

Split PDF Pro

Split PDFs by page range, every N pages, or custom ranges. Includes page rotation and ZIP download.

PDF Compressor

Compress PDF files with quality control, strip metadata, and image re-encoding for massive size reduction.

Image Compressor

Batch compress, resize, and convert images. Output as JPEG, PNG, or WebP with quality control and ZIP download.

Developer Tools

JSON, Base64, regex, hashing, JWT, cron & more — essential dev kit

21 tools

JSON Formatter Pro

Format, minify, validate, sort keys, diff, escape, flatten, generate TypeScript types, and query JSON paths.

Base64 & Encoder Suite

Encode/decode Base64, URL, Hex, and JWT tokens. Convert files to data URIs. All formats, all modes.

Password Generator Pro

Generate passwords, passphrases, PINs, and pattern-based secrets with entropy calculation and crack time estimation.

UUID & ID Generator

Generate UUID v4, v1, v7, NanoID, ULID, and Short IDs. Inspect and decode any UUID with timestamp extraction.

Hash Generator Pro

Hash text and files with MD5, SHA-1/256/384/512, CRC32. HMAC support, hash comparison, and hash identification.

QR Code Tool

Generate and read QR codes. Customize size, colors, error correction. Read QR from images with BarcodeDetector.

JWT Decoder

Decode and inspect JWT tokens. View header, payload, signature. Check expiration and standard claims.

Regex Tester

Live regex testing with match highlighting, capture groups, flag toggles, presets, and a cheat sheet.

CSV ↔ JSON

Convert CSV to JSON and JSON to CSV. Custom delimiters, headers toggle, pretty print, file upload.

Unix Timestamp

Convert between Unix timestamps and dates. Live clock, relative time, quick reference, seconds & milliseconds.

URL Encoder/Decoder

Encode and decode URLs with encodeURI and encodeURIComponent. Parse URL components and query parameters.

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal. View bit information and live conversion.

Cron Expression Parser

Parse cron expressions into human-readable format. View next 5 run times, use presets, and reference the cheat sheet.

HTML Entity Encoder

Encode and decode HTML entities. Named and numeric entity reference table with click-to-copy. Bulk conversion.

Meta Tag Generator

Generate SEO meta tags, Open Graph, and Twitter Card tags. Preview Google and social media appearance.

SVG Optimizer

Optimize and minify SVG files. Remove comments, metadata, empty attrs. Minify to one line with live preview.

YAML ↔ JSON

Convert YAML to JSON and JSON to YAML. Validate syntax, diff view, pretty-print, and copy output instantly.

SQL Formatter

Format and beautify SQL queries. Keyword uppercasing, indent control, minify, and syntax highlighting.

XML Formatter

Pretty-print, validate, and minify XML documents. Tree view, attribute sorting, and copy formatted output.

JS / CSS Minifier

Minify and beautify JavaScript and CSS. Remove comments, whitespace, and dead code. Instant results.

Barcode Generator

Generate Code128, Code39, EAN-13, UPC-A, and ITF barcodes. Customize size, colors, and download as PNG.

Text & Design

Colors, gradients, shadows, markdown, ASCII art, favicon & more

10 tools

Color Picker Pro

Pick colors in HEX, RGB, HSL, HWB, CMYK. Contrast checker, harmonies, tints/shades, gradients, color blindness sim.

Lorem Ipsum Pro

Generate placeholder text in 5 flavors: Classic, Hipster, Pirate, Corporate, Techno. Output as HTML, Markdown, or JSON.

Markdown Editor Pro

Write Markdown with live preview, GFM tables, task lists, strikethrough, table inserter, sync scroll, and fullscreen.

Word Counter Pro

Count words with readability scores (Flesch-Kincaid, Gunning Fog), keyword density, text transforms, and find & replace.

Text Diff Checker

Compare two texts side-by-side or inline with highlighted additions, deletions, and unchanged lines.

Case Converter

Convert text between 14 cases: UPPER, lower, Title, camelCase, PascalCase, snake_case, kebab-case, and more.

CSS Gradient Generator

Build beautiful CSS gradients visually. Linear, radial, conic types with color stops, presets, and copy CSS.

Box Shadow Generator

Build CSS box-shadow visually. Adjust offset, blur, spread, color, opacity, and inset with live preview.

Favicon Generator

Generate favicons from text, emoji, or solid colors. Customize size, colors, border radius. Download as PNG.

ASCII Art Generator

Convert text to ASCII art with multiple font styles: Block, Banner, Small, Shadow, and Dots.

Utilities

Timezone converter, pomodoro timer & everyday utilities

3 tools

Image Resizer

Resize images to exact dimensions (px or %). Keep aspect ratio, batch resize, convert format, and download ZIP.

Timezone Converter

Convert time between timezones. World clock with 8 major cities, DST-aware, live seconds tick.

Pomodoro Timer

Focus productivity timer. Work/break intervals, session tracking, audio alerts, presets (25/5, 50/10, 90/15).