Are my decrypted stream payloads sent to an external server?

No! All decompression runs 100% locally in your browser memory.

Deflate Decompressor

Decompress raw Deflate data streams.

Document & Archive Studio

Document & Markup Converter

MARKDOWN / HTML INPUT

CONVERTED PLAIN TEXT OUTPUT

Sample Document Heading

This is a sample text formatted with bold, italics, and a list:
• First Item
• Second Item
• Third Item

About Deflate Decompressor

The Raw DEFLATE & ZLIB Stream Decompressor unpacks raw DEFLATE (RFC 1951) and ZLIB (RFC 1950) compressed byte streams, Base64 strings, and binary files using native `DecompressionStream` in browser memory.

Step-by-Step Guide

How to Use Deflate Decompressor

Step 1

Paste a Base64 string, Hex byte stream, or upload a `.deflate` / `.zlib` file.

Step 2

Select stream format (Raw Deflate or ZLIB).

Step 3

Review the decompressed plaintext or binary output.

Step 4

Click "Copy Result".

Industry Scenarios

Practical Use Cases for Deflate Decompressor

Debugging WebSocket `permessage-deflate` Packets

Decompress raw deflate byte arrays captured from WebSocket network traffic and HTTP deflate responses.

Extracting PDF `/FlateDecode` Stream Content

Decompress raw ZLIB flate-decode streams extracted from PDF documents to inspect raw font definitions and vector graphics.

Sample Data & Transformation

Input & Output Examples

Decompressing Base64 ZLIB Stream

Input Sample:

Base64: `eJwrSS0uUchkAAAURgGL`

Processed Result:

Decompressed Text: "Hello World!" (Algorithm: ZLIB RFC 1950 | Adler-32 Verified)

Technical Capabilities

Key Features & Performance

✓Decompresses Raw DEFLATE (`deflate-raw`) and ZLIB (`deflate`) streams.
✓Input formats: Hex Bytes (`73 cc ...`), Base64 string, or uploaded binary file.
✓Live text and binary preview with automatic UTF-8 string decoding.
✓100% Client-Side memory execution.
✓1-Click Copy decompressed text or download file.

Technical Glossary

Key Terminology & Definitions

FlateDecode (PDF)

The standard filter used in PDF files to compress page content streams and embedded objects using ZLIB/DEFLATE compression.

Adler-32 Checksum

A 32-bit checksum algorithm that is faster than CRC32, used in ZLIB headers to verify uncompressed stream integrity.

Frequently Asked Questions (PAA)

Deflate Decompressor FAQs

If your data is raw DEFLATE without the 2-byte ZLIB header, switch the format mode from "ZLIB" to "Raw DEFLATE (`deflate-raw`)" to decompress successfully.