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
AI Background Remover
Neural in-browser background removal for products and portraits. 100% private.
Image to Text (OCR)
Extract text from photos, scans, and documents locally in browser across 100+ languages.
Speech to Text & Subtitles
In-browser Whisper: turn audio/video into text and SRT/VTT subtitles with zero uploads.
Video Studio: GIF & Audio
Convert video clips to animated GIF and extract audio tracks (WAV/MP3) 100% locally in your browser.
Online Signature & Draw
Draw or type your signature online: smooth ink strokes, transparent background, clipboard copy, and PNG/SVG export.
Batch Image Studio
Batch process 100+ photos or whole folders into a ZIP: target size (200 KB), convert and resize without limits.
Video Crop & Reframe
Crop video to 9:16, 1:1, 4:5 or 16:9 with a draggable focus area. Zero uploads.
Favicon & App Icon Studio
Convert SVG, PNG, and JPG into true multi-resolution .ico (16 to 256px), Apple Touch icon, and PWA manifest.
SVG Converter: PNG & ICO
Clean up SVG vectors, export crisp PNGs up to 4x, and build multi-resolution Windows .ico.
Audio Speed & Pitch Changer
Change audio playback rate, shift pitch, and create slowed+reverb or nightcore tracks.
Mouse & Double Click Tester
Test mouse buttons, scroll wheel, CPS speed test and faulty microswitch double-click bounce detector.
Keyboard Tester
Test keyboard keys, detect ghosting, check N-key rollover and latency with tactile sound.
Microphone Tester
Test microphone, real-time volume VU-meter, live waveform oscilloscope, and local voice loopback.
Webcam Tester
Test webcam, detect real resolution, measure live FPS, capture snapshots, and mirror video.
Monitor Test: Dead Pixels & Ghosting
Fullscreen dead-pixel color cycles and ghosting motion test for any display.
TXT & Markdown Editor
Distraction-free notepad: Markdown live preview, line sorting, deduplication, and file download.
Text Counter & Limits
Count characters with/without spaces, words, reading time and check social media limits.
Diff Checker (Text Comparison)
Side-by-side and line-by-line text difference comparison with inline highlighting.
Number to Words & VAT
Convert numbers to words (USD, EUR, RUB), calculate VAT and gross/net invoice totals.
Number Base Converter
Convert between BIN, OCT, DEC, HEX and any base 2–36 — fractions, bitwise ops, step-by-step solutions.
Unit Converter
Length, weight, temperature, speed, area, volume, time and data: metric and imperial units convert instantly, 100% in-browser.
Translit & Layout Fixer
Fix accidentally typed wrong keyboard layout (ghbdtn -> privet) and generate SEO URL slugs.
CSV & JSON Table Tool
Convert CSV and TSV tables to structured JSON arrays, Markdown tables, or HTML.
Text Case Converter
Convert text case: UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.
Color Studio & EyeDropper
Screen eyedropper, convert between HEX, RGB, HSL, CMYK, and accessible palette builder.
JWT Token Decoder
Decode, inspect, and validate JSON Web Tokens safely in your browser without exposing secrets.
Unix Timestamp Converter
Convert Unix epoch timestamps to dates and reverse: milliseconds, UTC, relative time, and TTL presets.
CSS Box-Shadow Generator
Visual CSS box-shadow generator: multi-layer shadows, blur, spread, live preview, and CSS/Tailwind export.
RegEx Tester & Evaluator
Interactive JavaScript regular expression tester with colorized capture groups and replace preview.
UTM Builder & URL Encode
Build marketing campaign tracking URLs with UTM tags, and encode/decode URL parameters.
No tools found matching your query.
Batch Image Studio
Batch process 100+ photos or whole folders into a ZIP: target size (200 KB), convert and resize without limits.
Drag and drop folder or photos here
Supports entire folders and hundreds of images simultaneously (JPG, PNG, WebP)
Each photo will be automatically optimized strictly below the specified limit (Gosuslugi, visa, ads)
| File | Original | Result | Status | Action |
|---|
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
Select or drop a PDF document
Set password or remove restriction
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
Video Crop & Reframe
Crop video to 9:16, 1:1, 4:5 or 16:9 with a draggable focus area. 100% in-browser.
Drop a video file here
MP4 · WebM · MOV · MKV
0%
Cropped video ready
Monitor Test: Dead Pixels & Ghosting
Check your screen for stuck pixels and motion ghosting. Fullscreen, 100% local.
Dead Pixel Test
Fullscreen color cycles. Points that stay lit or dark on every color are stuck or dead pixels.
Ghosting Test
Moving blocks at five speeds. Trails, smearing or doubling reveal panel ghosting.
Click / arrow keys switch colors · Esc exits the test
Speech to Text & Subtitles
Transcribe audio or video to text and download SRT/VTT subtitles. Whisper runs 100% in your browser — files never leave your device.
Drop an audio or video file here
MP3 · WAV · M4A · OGG · MP4 · WebM · MOV
file
0%
Transcription ready
Image Resizer & Crop
Proportional scaling, aspect presets (1:1, 16:9, 3:4), and 90° rotation without quality loss.
Upload an image to resize
Favicon & App Icon 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
Photo Watermark Studio
Interactive draggable watermarks, dual-slider HSL color picker, typography styling, outline, multi-layer overlays, and custom logos.
Upload an image to add a watermark
JPG, PNG, WebP — drag freely on photo, pick colors from palette, and add logos
SVG Converter: PNG & ICO
Optimize vector SVG code, export crisp PNGs up to 4x Ultra, and build multi-resolution Windows .ico.
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 — processed locally on your device
The local U²-Net model (~42 MB) handles simple background removal: downloaded once, cached, and then works offline.
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).
Unit Converter
Length, weight, temperature, speed, area, volume, time and data — metric and imperial units, converted instantly in your browser.
Number Base Converter
Convert between binary, octal, decimal, hex and any base 2–36 — fractions, arithmetic and bitwise operations, step-by-step solutions.
Convert a number
Step-by-step solution
Calculator in any base
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.
Text Case Converter
Instant case conversion: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case.
Color Studio & Eyedropper
Screen eyedropper tool and instant color converter between HEX, RGB, and HSL.
JWT Token Decoder
Decode, inspect, and validate JSON Web Tokens safely in your browser without exposing secrets.
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 Link Builder & URL Encoder
Build marketing campaign URLs with UTM tags and encode/decode query strings.
Image to Text (OCR)
Extract text from photos, scans, receipts and documents locally in browser via Neural WASM engine.
Drop photo with text, scan or document here
JPG, PNG, WebP or paste from clipboard (Ctrl + V)
Online Microphone Tester (Mic Test)
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 (Webcam Test)
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 (Keyboard Test)
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 (Mouse Test)
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
Press intervals below this are microswitch chatter (a hardware fault). Double clicks up to 205 ms are normal.
Scroll Wheel Tester
—Scroll your mouse wheel in this area
CPS Click Speed Test
Pointer Tracking & Jitter Test
Draw circles and diagonals inside the box — a healthy sensor leaves a smooth trail; jitter, gaps or zigzag steps reveal faults
Audio 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
AI Token Counter & Cost Calculator
Accurate BPE token counter and cost comparison across OpenAI, Anthropic Claude, Google Gemini, and DeepSeek.
Cost Calculator (Any Custom Model)
Selected: Claude Opus 5.5| AI Model | Input Cost | Output Cost | Context Used | Action |
|---|
Page Not Found
The URL might have a typo or the tool was moved. All our tools are accessible from the main dashboard.
Video Studio: GIF & Audio
Convert video clips to animated GIF and extract audio tracks (WAV/MP3) 100% locally in your browser.
Drop video clip (MP4, WebM, MOV)
In-browser frame extraction with FPS and dimension controls
Drop animated GIF here
Convert GIF animation to high quality MP4 / WebM with 10x smaller file size
Drop video (MP4, WebM, MOV)
Format conversion, downscaling and compression 100% in-browser
Drop video file
Instant audio extraction using modern Web Audio API
Online Signature & Draw
Draw or type your signature online: smooth ink strokes, transparent background, clipboard copy, and PNG/SVG export.
Unix Timestamp Converter
Convert Unix epoch timestamps to dates and reverse: milliseconds, UTC, relative time, and TTL presets.
Current Unix Epoch Time
Timestamp to Human Date
Human Date to Timestamp
Batch Conversion
Paste a list of timestamps (one per line) for bulk conversion.
| Input | Status | Seconds | UTC | Local |
|---|---|---|---|---|
| No timestamps to display | ||||
CSS Box-Shadow Generator
Visual CSS box-shadow generator: multi-layer shadows, blur, spread, live preview, and CSS/Tailwind export.
Shadow Layers
Live Preview
How It Works
Adjust horizontal and vertical offsets (X/Y), blur radius, spread distance, color, and opacity using intuitive visual sliders.
Stack multiple shadows for realistic depth with "+ Add Layer" or pick professional presets like Soft, Float, Glow, or Inset.
Preview your shadow in real time against customizable backgrounds and copy ready-to-use CSS box-shadow code or Tailwind CSS classes in one click.