All-in-one browser tools
A growing collection of tools that run entirely on your device — nothing is uploaded to a server.
Video
7Batch Converter (all formats)
Convert and compress video, audio and images in batches with fine-grained settings.
Video Converter
Convert video to MP4, WebM, MKV, AVI and more.
Compress Video
Reduce video file size while keeping good quality.
Video to GIF
Turn a video clip into a GIF animation.
Trim video
Cut video clips online without quality loss or server uploads.
Photo → Video with music
A photo plus music becomes a video for Clips, Reels and Shorts — with a live preview.
Screen Recorder
Record your screen, window or browser tab — with your voice and a webcam circle. No limits, watermarks or uploads.
Audio
6Extract Audio from Video
Save only the sound track from a video as MP3 and more.
Audio Converter
Convert audio to MP3, WAV, FLAC, OGG and more.
Vocal Remover
Split a track into an instrumental and vocals with a neural network — right in the browser.
Compress Audio
Reduce the size of music, podcasts and voice recordings.
Trim MP3 & audio
Cut songs or audio recordings for ringtones without quality loss.
Audio & video to text & summary
Transcribe speech, remove filler words, and extract key bullet points.
Images
12Image Converter
Convert images to WebP, JPEG, PNG and more.
Compress Image
Reduce photo file size without visible quality loss.
Crop image
Interactive photo cropping with handles and ratio presets (1:1, 16:9, Stories) right in your browser.
Photo for documents
Crop a photo to document sizes (3x4, 35x45 mm, US passport) and compress it under a KB limit.
Remove EXIF from photo
View and remove photo metadata — GPS location, camera model, date.
Watermark photos
Add a text or logo watermark to several photos at once.
Hide Faces
Blur, pixelate or cover faces on a photo or in a video — right in your browser.
Image to Text (OCR)
Extract text from a photo, screenshot or scan — 36 languages, right in your browser.
Remove Background
Cut the object out of a photo and get a PNG with a transparent or solid background.
Upscale Image
Enlarge a photo 2 or 4 times with a neural network and bring back sharp detail.
Image to SVG (vectorizer)
Turn a PNG or JPEG into an SVG with real curves: an outline for a plotter or a color trace of a logo.
Download YouTube Thumbnail
The video cover in every available size, up to HD — just paste a link.
Merge PDF
Combine several PDFs into one in the order you want.
Split PDF
Pick pages and extract them into separate PDF files.
Compress PDF
Reduce file size while keeping it readable.
PDF → Images
Export pages as PNG, JPEG or WebP.
Photos → PDF
Build a PDF from photos and pictures in the order you want.
Insert Image
Add a picture to the start, middle or end of a PDF.
Sign PDF
Draw or upload a signature and place it on PDF pages — the file never leaves your browser.
PDF Watermark
Add text or a logo to PDF pages — in a grid, diagonally, or tiled.
Math for study
10Matrix Calculator (step by step)
Determinant, inverse, rank, multiplication and linear systems — with the full solution chain, like on paper.
Equation Solver (with steps)
Linear and quadratic equations, systems of equations — with discriminant and detailed explanation.
Function Grapher
Type y = x² or sin(x) — the graph appears instantly. Zoom, pan, several functions at once.
3D Function Grapher
Surface z = f(x, y): type a formula and spin it with your mouse. Height coloring, zoom, all in the browser.
Derivatives
The derivative of a function with a detailed step-by-step breakdown, a graph with extrema and the three meanings of the derivative.
Antiderivative and indefinite integral
The indefinite integral (antiderivative) broken down step by step: table, substitution, by parts. Graph and table.
Definite integral
The definite integral as the area under the graph: shaded area, Newton–Leibniz formula, explanation.
Fraction Calculator (with steps)
Add, subtract, multiply and divide fractions — common denominator and reduction explained. Plus GCD and LCM.
Trigonometry
Tables of values, identities, reduction formulas and equations solved step by step.
Percentage Calculator
All typical percent problems — with the formula and an explanation of every calculation.
Code
3Python Playground
Write and run Python right in your browser: NumPy, OpenCV, package installs and files from your computer.
JSON Viewer
Open JSON as a tree or a table, check the syntax, find the node you need and copy its path.
XML Viewer
Open XML as a tree or a table, check the syntax, copy the path to a node.
Utilities
6QR Code Generator
Create a QR code for a link, text, or Wi-Fi: choose colors, size, logo, and download in PNG or SVG.
Transfer files between devices
Move a file from phone to computer and back directly: pair the devices with a QR code, nothing is uploaded to a server. Most reliable on the same Wi-Fi.
Password Generator
Generate a strong password in your browser: length, character sets, exclude look-alike characters.
Color Converter
Convert HEX, RGB and HSL, pick a color from a photo with the eyedropper, and get a ready-made palette.
Text Anonymizer
Mask emails, phone numbers, and card numbers in text right in your browser.
QR & Barcode Scanner
Scan a QR code or barcode with your camera, from a photo, or from a screenshot — right in your browser.
Optics and Imaging
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