File Converter & Web Utilities in Your Browser
No registration, no limits, your files never leave your device
Drop any file here Ctrl + V
OmniKit will auto-detect the file format and provide instant actions
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HEIC to JPG / PNG
Convert Apple iPhone HEIC/HEIF photos to standard JPG format for easy viewing on PC.
Select an iPhone .heic file
100% private in-browser conversion
Image Compressor
Reduce image file size with an intuitive precision quality slider.
Select a file or drop it here
JPG, PNG, WebP
PDF Suite
Images to PDF, render PDF pages to JPG/PNG, merge multiple files and extract pages.
Select document photos (single or multiple files)
JPG, PNG, WebP
Upload a PDF file to extract all pages as high-res images
Select 2 or more PDF documents to merge into a single file
.pdf (multiple)
Select a PDF file to extract page ranges
Image Format Converter
Convert WebP, PNG, JPG, and BMP without uploading files to any server.
Select a file or drop it into this area
PNG, JPG, WebP, BMP
image.png
Ready to convert
Image Resizer
Proportional scaling, aspect presets (1:1, 16:9, 3:4), and 90° rotation without quality loss.
Upload an image to resize
How It Works
Drag and drop the image file you wish to resize or crop.
Enter exact pixel width and height, or specify percentage scaling with locked aspect ratio.
Save your newly proportioned image rendered with high-quality bicubic smoothing.
Frequently Asked Questions (FAQ)
Does it maintain original aspect ratio?
Can I upscale smaller images?
Are files uploaded to remote servers?
Favicon Generator
Create multi-size web favicons (.ico, 16×16, 32×32, 192×192) in one click.
Upload a logo or image (PNG, SVG, JPG)
Водяной знак на фото
Свободное перемещение водяных знаков мышкой и пальцем, выбор цвета двумя слайдерами, любые шрифты, обводка, несколько слоёв и логотипы.
Загрузите изображение для нанесения водяного знака
JPG, PNG, WebP — можно перетаскивать знаки по фото, настраивать цвет палитрой и добавлять логотипы
SVG Optimizer & PNG Converter
Clean up SVG source code and export crisp PNG files up to 4x Ultra resolution.
Upload a .svg file to optimize and convert
.svg
AI Background Remover
In-browser neural background removal for products and portraits. 100% private, zero server uploads.
Drop product or portrait photo here
JPG, PNG, WebP — 100% local in-browser AI processing
QR Code Generator & Scanner
Create custom colored QR codes and read QR codes from uploaded images.
Upload a photo or screenshot containing a QR code
EXIF Metadata Cleaner
Strip geolocation GPS, camera model, and hidden tags before sharing photos online.
Upload a photo to wipe hidden metadata
TXT & Markdown Notepad
In-browser text editor with autosave, deduplication, and line sorting.
Character Counter & Social Limits
Check post length limits for Telegram, Twitter, Instagram, and format text.
Diff Checker — Text & Code Comparison
Compare two pieces of text, code, or contracts side-by-side with color-coded additions and deletions.
Number to Words & Currency
Convert numbers into written words for invoices and agreements (RUB, USD, EUR, KZT, BYN).
Transliteration & Keyboard Layout Fixer
Fix accidentally typed text in wrong keyboard layout (ghbdtn → привет) and create clean URL slugs.
Table Converter CSV ↔ JSON
Convert CSV spreadsheets into JSON object arrays and vice versa.
Конвертер регистра текста
Мгновенное изменение регистра: ПРОПИСНЫЕ, строчные, Title Case, camelCase, snake_case, kebab-case.
Color Studio & Eyedropper
Screen eyedropper tool and instant color converter between HEX, RGB, and HSL.
JWT Decoder & Unix Timestamp
Decode authentication tokens and convert computer epoch timestamps into human dates.
Unix Timestamp Converter
JWT Token Decoder
Cryptographic Password Generator
Generate secure, high-entropy passwords using local Web Crypto API.
Hash Generator
Calculate cryptographic checksums locally in browser (SHA-256, SHA-512, SHA-1, MD5).
Base64 Encoder & Decoder
Encode and decode text strings with full UTF-8 character support.
JSON Formatter & Validator
Format indentation and validate JSON syntax in your browser.
RegEx Tester & Evaluator
Interactive Regular Expression debugger with live match highlighting and quick presets.
UTM Генератор и декодер ссылок
Создание маркетинговых ссылок с UTM-метками и кодирование URL-параметров.
Распознавание текста с фото (OCR)
Бесплатное извлечение текста с фотографий, сканов документов, чеков и скриншотов прямо в браузере без сервера.
Загрузите фото, скан документа или чек
JPG, PNG, WebP, AVIF — или вставьте скриншот из буфера с помощью Ctrl + V
Online Microphone Tester
Test sound, volume levels, frequency oscilloscope, and local voice loopback.
Voice Playback (Local in Browser)
Listen to how your voice sounds to others (clarity, noise, volume):
Online Webcam Tester
Test webcam, detect real resolution, measure live framerate FPS, and take snapshots.
Click "Start Webcam Test" to begin testing
100% private: video stream never leaves your device
Online Keyboard Tester
Test keyboard keys, detect ghosting, check N-key rollover and latency.
Press any key on your keyboard. Successfully tested keys will light up green.
Active Key Inspector
Multi-Key Rollover (Ghosting / NKRO)
0—
Hold 3+ keys simultaneously to test Ghosting
Mouse & Double Click Tester
Test mouse buttons, faulty switch chatter bounce detector, scroll wheel and CPS test.
Button & Double-Click Test Area
Click LMB, RMB, or MMB inside this area to test switches
Clicks faster than this threshold indicate mechanical microswitch chatter.
Scroll Wheel Tester
Scroll your mouse wheel in this area
CPS Click Speed Test
5.0sAudio Speed & Pitch Changer
Change audio playback rate, shift pitch, and create slowed+reverb or nightcore tracks.
Select or drop an audio file
Supports MP3, WAV, OGG, AAC, M4A, FLAC • 100% in-browser
audio.mp3
0.0 MB • audio/mp3
SVG to ICO & Favicon Studio
Convert SVG and PNG into true multi-resolution .ico (16 to 256px), Apple Touch icon, and PWA manifest.
Select SVG, PNG, or JPG logo
Generates multi-res favicon.ico (16-256px) and complete PWA web package
Live UI Mockup Preview
AI Token Counter & Cost Calculator
Accurate BPE token counter and cost comparison across GPT-4o, Claude 3.5 Sonnet, Gemini, and DeepSeek.
Cost Calculator (Any Custom Model)
Selected: Claude Opus 5.5| AI Model | Input Cost | Output Cost | Context Used | Action |
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