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API Documentation

300+ endpoints for document conversion, PDF tools, image processing, AI extraction, text utilities, and more. Code examples in 7 languages.

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ANY PDF
SDK

File to PDF API

Convert almost any file to PDF format.

1 credit
DOCX PDF
SDK

DOCX to PDF API

Convert Word documents to PDF.

1 credit
HTML PDF
SDK

HTML to PDF API

Convert HTML to PDF using Chrome.

1 credit
OFFICE PDF
SDK

Office to PDF API

Convert Office docs with PDF/A support.

1 credit
PDF DOCX
SDK

PDF to DOCX API

Convert PDFs to editable Word docs.

1 credit
PDF JPG
SDK

PDF to JPG API

Convert PDF pages to images.

1 credit
PDF PNG
SDK

PDF to PNG API

Convert PDF pages to PNG images.

1 credit
XLSX PDF
SDK

Excel to PDF API

Convert Excel spreadsheets to PDF.

1 credit
PPTX PDF
SDK

PowerPoint to PDF API

Convert PowerPoint presentations to PDF.

1 credit
CSV PDF
SDK

CSV to PDF API

Convert CSV data files to PDF.

1 credit
TXT PDF
SDK

Text to PDF API

Convert plain text files to PDF.

1 credit
RTF PDF
SDK

RTF to PDF API

Convert Rich Text Format to PDF.

1 credit
EPUB PDF
SDK

EPUB to PDF API

Convert eBooks to PDF format.

1 credit
PDF TXT
SDK

PDF to Text API

Extract text content from PDF files.

1 credit
PDF HTML
SDK

PDF to HTML API

Convert PDF documents to HTML.

1 credit
JPG PDF
SDK

Image to PDF API

Convert JPG, PNG, GIF, BMP images to PDF.

1 credit
MD PDF
SDK

Markdown to PDF API

Convert Markdown files to PDF.

1 credit
PDF XLSX
SDK

PDF to Excel API

Convert PDF tables to Excel spreadsheets.

1 credit
PDF PPTX
SDK

PDF to PowerPoint API

Convert PDF to PowerPoint presentations.

1 credit
ODT PDF
SDK

ODT to PDF API

Convert OpenDocument Text files to PDF.

1 credit
ODS PDF
SDK

ODS to PDF API

Convert OpenDocument Spreadsheets to PDF.

1 credit
ODP PDF
SDK

ODP to PDF API

Convert OpenDocument Presentations to PDF.

1 credit
XML PDF
SDK

XML to PDF API

Convert XML files to PDF format.

1 credit
JSON PDF
SDK

JSON to PDF API

Convert JSON data files to PDF.

1 credit
TEX PDF
SDK

LaTeX to PDF API

Convert LaTeX documents to PDF.

1 credit
SVG PDF
SDK

SVG to PDF API

Convert vector graphics to PDF.

1 credit
TIFF PDF
SDK

TIFF to PDF API

Convert TIFF images to PDF.

1 credit
BMP PDF
SDK

BMP to PDF API

Convert bitmap images to PDF.

1 credit
PDF COMPRESS
SDK

Compress PDF API

Reduce PDF size up to 90%.

1 credit
PDF MERGE
SDK

Merge PDF API

Combine multiple PDFs into one.

1 credit
PDF SPLIT
SDK

Split PDF API

Split PDF by page ranges.

1 credit
PDF ROTATE
SDK

Rotate PDF API

Rotate PDF pages 90/180/270.

1 credit
PDF OCR
SDK

PDF OCR API

Add searchable text to scanned PDFs.

1 credit
PDF WATERMARK
SDK

Watermark PDF API

Add text or image watermarks.

1 credit
PDF PROTECT
SDK

Protect PDF API

Password protect PDFs.

1 credit
URL PDF
SDK

URL to PDF API

Convert any webpage to PDF.

1 credit
IMAGE RESIZE
SDK

Resize Image API

Resize images to any dimension.

1 credit
IMAGE COMPRESS
SDK

Compress Image API

Reduce image file size.

1 credit
IMAGE CONVERT
SDK

Convert Image API

Convert PNG, JPG, WebP, GIF, etc.

1 credit
IMAGE CROP
SDK

Crop Image API

Crop images to specific regions.

1 credit
IMAGE ROTATE
SDK

Rotate Image API

Rotate images by any degree.

1 credit
IMAGE FLIP
SDK

Flip Image API

Flip horizontally or vertically.

1 credit
IMAGE GRAYSCALE
SDK

Grayscale Image API

Convert color to grayscale.

1 credit
IMAGE AI
SDK

Remove Background API

AI-powered background removal.

1 credit
PDF AI REDACT
SDK

Smart Redact API

AI-powered PII detection & redaction.

1 credit
URL SCREENSHOT
SDK

URL Screenshot API

Capture website screenshots.

1 credit
DATA CERTIFICATE
SDK

Generate Certificate API

Create professional PDF certificates.

1 credit
DATA BARCODE
SDK

Generate Barcode API

Create Code128, EAN, UPC barcodes.

1 credit
DATA QR CODE
SDK

Generate QR Code API

Create QR codes with custom colors.

1 credit
DATA INVOICE
SDK

Generate Invoice API

Create professional PDF invoices.

1 credit
PDF INVOICE
SDK

Extract Invoice API

AI invoice data extraction to JSON.

1 credit
IMAGE RECEIPT
SDK

Extract Receipt API

AI receipt data extraction to JSON.

1 credit
PDF RESUME
SDK

Extract Resume API

AI resume/CV parsing to JSON.

1 credit
PDF CONTRACT
SDK

Extract Contract API

AI contract data extraction to JSON.

1 credit
A11Y
SDK

Accessibility (A11y) API

Enhance PDF accessibility with WCAG structure tags.

3 credits (AI)
URLs PDFs
SDK

Batch URL to PDF API

Convert multiple URLs to PDFs in one request.

1 credit/URL
BLUR
SDK

Blur Image API

Apply gaussian blur to images.

1 credit
BRIGHT
SDK

Brightness Image API

Adjust image brightness levels.

1 credit
INVERT
SDK

Invert Image API

Invert image colors (negative effect).

1 credit
SEPIA
SDK

Sepia Image API

Apply vintage sepia tone to images.

1 credit
AI CHAT
SDK

Document Chat API

Chat with documents using AI. Ask questions, get summaries.

3 credits (AI)
URL CHAT
SDK

Document Chat URL API

Chat with a document via URL. No upload needed.

3 credits (AI)
PDF PPTX
SDK

PDF to PowerPoint API

AI-powered PDF to PPTX conversion with slide generation.

3 credits (AI)
COMPARE
SDK

Document Compare API

AI-powered document comparison with change analysis.

3 credits (AI)
BATCH
SDK

Batch Screenshots API

Capture multiple webpages as images in one request.

1 credit/URL
AGENT
SDK

AI Agent API

Natural language file processing. "Compress this PDF and merge with..."

3 credits (AI)
DOCX
SDK

DOCX Template API

Generate documents from DOCX templates with JSON data.

1 credit
HTML PDF
SDK

HTML to PDF Generator API

Generate PDFs from HTML templates with Jinja2 + JSON data.

1 credit
EXPORT
SDK

Export PDF Form API

Extract form field data from fillable PDFs to JSON.

1 credit
IMPORT
SDK

Import PDF Form API

Fill PDF form fields with JSON data automatically.

1 credit
BANK
SDK

Extract Bank Statement API

Extract transactions, balances from bank statements.

3 credits (AI)
PO
SDK

Extract Purchase Order API

Extract line items, vendor info from purchase orders.

3 credits (AI)
PAY
SDK

Extract Pay Stub API

Extract earnings, deductions, net pay from pay stubs.

3 credits (AI)
FORM
SDK

Extract Form Data API

Extract structured data from any form document.

3 credits (AI)
TABLE
SDK

Extract Table Data API

Extract tabular data from documents into structured format.

3 credits (AI)
GENERAL
SDK

General Extraction API

Extract key data from any document type.

3 credits (AI)
WEBHOOK
SDK

Webhook Secret API

Get or regenerate your HMAC-SHA256 webhook secret.

Free
PDF PPTX
SDK

PDF to Smart Slides API

AI-powered slides with diagrams, flowcharts, illustrations & diagram extraction.

3 credits (AI)
TEXT PPTX
SDK

Text to Slides API

Convert raw text to professional presentations with smart layouts.

3 credits (AI)
DOCX PPTX
SDK

DOCX to Slides API

Convert Word documents to presentations with AI layouts.

3 credits (AI)
IMAGE PPTX
SDK

Image to Slides API

OCR + AI to convert whiteboard photos to presentations.

3 credits (AI)
AUDIO PPTX
SDK

Audio to Slides API

Transcribe audio and generate presentation slides.

3 credits (AI)
URL PPTX
SDK

URL to Slides API

Scrape webpage content and generate presentations.

3 credits (AI)
PDF MP4
SDK

PDF to Video API

Generate narrated MP4 videos from PDFs with neural voice.

5 credits (AI)
TEXT MP4
SDK

Text to Video API

Convert text to narrated video presentations.

5 credits (AI)
DOCX MP4
SDK

DOCX to Video API

Convert Word docs to narrated video presentations.

5 credits (AI)
IMAGE MP4
SDK

Image to Video API

OCR image content into narrated video slides.

5 credits (AI)
AUDIO MP4
SDK

Audio to Video API

Transcribe and convert audio to narrated video.

5 credits (AI)
URL MP4
SDK

URL to Video API

Scrape webpage and generate narrated video.

5 credits (AI)
DOC AI
SDK

Summarize API

AI-powered document/text/URL summarization.

3 credits (AI)
DOC AI
SDK

Translate Document API

Translate documents or text to any language.

3 credits (AI)
DOC AI
SDK

Classify Document API

AI document type classification with confidence score.

3 credits (AI)
PDF JSON
SDK

Extract Table API

Extract tables from PDFs/images as structured JSON or CSV.

3 credits (AI)
DOC JSON
SDK

Extract Key Points API

Extract key points and action items from documents.

3 credits (AI)
TEXT JSON
SDK

Grammar Check API

AI grammar checking with corrections and suggestions.

3 credits (AI)
TEXT JSON
SDK

Sentiment Analysis API

Analyze text sentiment with emotion breakdown.

3 credits (AI)
TEXT TEXT
SDK

Rewrite Text API

Rewrite text in different styles (professional, casual, etc).

3 credits (AI)
PROMPT TEXT
SDK

Generate Text API

Generate text content from prompts with tone control.

3 credits (AI)
PDF JSON
SDK

PDF Page Count API

Get page count of any PDF file.

1 credit
PDF JSON
SDK

PDF Metadata API

Extract title, author, dates, encryption status.

1 credit
PDF ZIP
SDK

PDF to Images API

Convert PDF pages to PNG/JPG images as ZIP.

1 credit
PDF PDF
SDK

Flatten PDF API

Flatten form fields and annotations.

1 credit
PDF PDF
SDK

Unlock PDF API

Remove password protection from PDFs.

1 credit
PDF PDF
SDK

Repair PDF API

Fix corrupted PDF files.

1 credit
PDF JSON
SDK

PDF Extract Text API

Extract text page-by-page as structured JSON.

1 credit
PDF ZIP
SDK

PDF Extract Images API

Extract all embedded images from PDF as ZIP.

1 credit
PDF PDF
SDK

Add Page Numbers API

Add page numbers to PDF documents.

1 credit
IMAGE IMAGE
SDK

Contrast Image API

Adjust image contrast levels.

1 credit
IMAGE IMAGE
SDK

Sharpen Image API

Sharpen image details.

1 credit
IMAGE IMAGE
SDK

Saturation Image API

Adjust color saturation levels.

1 credit
IMAGE IMAGE
SDK

Posterize Image API

Reduce colors for poster effect.

1 credit
IMAGE IMAGE
SDK

Solarize Image API

Apply solarize effect to images.

1 credit
IMAGE IMAGE
SDK

Equalize Image API

Auto-level image histogram.

1 credit
IMAGE IMAGE
SDK

Border Image API

Add borders/frames to images.

1 credit
IMAGE IMAGE
SDK

Auto-Orient Image API

Fix image rotation from EXIF data.

1 credit
IMAGE IMAGE
SDK

Watermark Image API

Add text watermarks to images.

1 credit
IMAGE IMAGE
SDK

Thumbnail API

Generate smart thumbnails.

1 credit
IMAGE JSON
SDK

Image Metadata API

Extract EXIF and image metadata.

1 credit
IMAGE IMAGE
SDK

Strip Metadata API

Remove all EXIF/metadata for privacy.

1 credit
TEXT JSON
SDK

Word Count API

Count words, characters, sentences, reading time.

1 credit
TEXT JSON
SDK

Text Diff API

Compare two texts and show differences.

1 credit
TEXT TEXT
SDK

Find & Replace API

Find and replace text with regex support.

1 credit
TEXT JSON
SDK

Extract Emails API

Extract all email addresses from text.

1 credit
TEXT JSON
SDK

Extract URLs API

Extract all URLs from text content.

1 credit
TEXT JSON
SDK

Extract Phones API

Extract phone numbers from text.

1 credit
MD HTML
SDK

Markdown to HTML API

Convert Markdown to HTML.

1 credit
HTML MD
SDK

HTML to Markdown API

Convert HTML to Markdown.

1 credit
IMAGE JSON
SDK

Read QR Code API

Decode QR codes from images.

1 credit
IMAGE JSON
SDK

Read Barcode API

Decode barcodes from images.

1 credit
FILE JSON
SDK

File Info API

Get file size, MIME type, extension.

1 credit
FILE JSON
SDK

File Hash API

Calculate MD5 and SHA256 hash.

1 credit
PDF JSON
SDK

Validate PDF API

Check if PDF is valid or corrupted.

1 credit
AUDIO JSON
SDK

Transcribe Audio API

Speech-to-text transcription via Whisper.

3 credits (AI)
AUDIO AUDIO
SDK

Convert Audio API

Convert between MP3, WAV, OGG, M4A, FLAC.

1 credit
AUDIO AUDIO
SDK

Trim Audio API

Trim audio by start/end time.

1 credit
HTML PNG
SDK

HTML to Screenshot API

Render HTML string to PNG image.

1 credit
HTML TEXT
SDK

HTML Extract Text API

Strip HTML tags, return plain text.

1 credit
HTML JSON
SDK

HTML Extract Links API

Extract all links from HTML/URL.

1 credit
DATA PDF
SDK

Generate Resume API

Create professional resume PDFs from structured data.

1 credit
DATA PDF
SDK

Generate Receipt API

Create receipt PDFs with line items.

1 credit
DATA PDF
SDK

Generate Letter API

Create professional business letter PDFs.

1 credit
BATCH JSON
SDK

Batch Summarize API

Summarize multiple texts in one request.

3 credits/item
BATCH JSON
SDK

Batch Translate API

Translate multiple texts in one request.

3 credits/item
BATCH JSON
SDK

Batch Classify API

Classify multiple documents in one request.

3 credits/item
BATCH JSON
SDK

Batch Page Count API

Get page counts for multiple PDF URLs.

1 credit/item

API Endpoint

POST /convert 1 credit

Full documentation

Quick Start Guide

1. Get Your API Key

Sign up at chargedapi.com and get your free API key from the dashboard.

2. Make Your First Request

curl -X POST "https://api.chargedapi.com/convert?format=pdf" \
  -H "X-API-Key: YOUR_API_KEY" \
  -F "file=@document.docx" \
  --output result.pdf

3. Check Your Usage

curl -H "X-API-Key: YOUR_API_KEY" \
  https://api.chargedapi.com/usage

Tip

Start with 50 free credits per month. Upgrade anytime for more capacity.