One place for practical work

All Chatcument tools

Choose a focused tool. Each page keeps its own fast workflow, direct URL, and clear result.

8Chatcument products

img

Image tools

Edit, convert, protect, and inspect images without a default upload.

Compress imageJPG compressor · PNG compressor · WebP compressor

Resize imageResize JPG · Resize PNG · Resize WebP

Crop imageCrop JPG · Crop PNG

Convert imageJPG to PNG converter · PNG to JPG converter · WebP to JPG converter

AI background removalRemove portrait background · Remove product image background

Add signature or watermarkAdd text watermark · Add logo watermark · Add image signature

Rotate and flipRotate JPG · Flip image

Upscale image2× image upscaler · 4× image upscaler

Redact private detailsBlur face in image · Hide license plate

Adjust color and toneAdjust image brightness · Adjust image contrast

Remove image metadataRemove EXIF metadata

Favicon and ICO generatorPNG to ICO converter · Favicon generator

Image colorsImage color picker · Image palette extractor · HEX to RGB color converter

GIF and video toolsVideo to GIF converter · Resize GIF · Crop GIF

hwpx

Document workspace

Encrypted DOCX and HWPX work starts in a private workspace.

Open document workspaceUse Open document workspace locally in your browser with clear controls and a downloadable result.

cal

Calculators and converters

Practical unit and date calculations with transparent inputs.

Unit converterLength converter · Weight converter · Temperature converter

Date calculatorDate difference calculator · D-day calculator · D+ day calculator

finance

Finance calculators

Formula-based financial estimates; not tax, legal, or investment advice.

Interest calculatorSimple interest calculator · Compound interest calculator · Deposit interest calculator

Loan calculatorEqual payment loan calculator · Equal principal loan calculator

Business calculatorROI calculator · Margin calculator · Discount calculator

Income converterAnnual salary to monthly income · Severance pay estimate · Weekly paid holiday estimate

Utility cost calculatorElectricity usage cost estimate

text

Text tools

Count, clean, analyze, and encode text locally.

Text counterCharacter counter · Word counter

Text cleanerRemove duplicate lines · Remove empty lines · Trim whitespace

Text analyzerWord frequency analyzer

Text encoderURL encoder and decoder · Base64 encoder and decoder

Text formatterJSON formatter · Lowercase text · Uppercase text

qr

QR and barcode tools

Create editable QR codes and printable barcodes locally.

QR code generatorURL QR code generator · Wi-Fi QR code generator · Email QR code generator

Barcode generatorCODE128 barcode generator · EAN-13 barcode generator

audio

Audio tools

Convert, trim, and change the speed of creator-owned audio locally.

Audio converterConvert audio to MP3 · Convert audio to WAV

Audio speed changerSpeed up audio · Slow down audio

Audio trimmerTrim MP3 audio

Audio effectsChange audio volume · Fade audio in and out

Extract audio from videoVideo to MP3 converter

sns

Creator social tools

Prepare creator-owned files for social platforms without scraping or third-party downloads.

Instagram media sizesInstagram portrait post maker · Instagram Reel cover maker

YouTube media sizesYouTube HD thumbnail maker

X media sizesX header image maker

Threads media sizesThreads square post maker

TikTok media sizesTikTok cover maker

SEO · AEO · GEO

Fast pages, specific answers

Each public page is server-rendered with its own canonical URL, language alternate, structured data, and compact explanation. File-heavy work stays in the browser whenever possible.