StegoToolkit
29 live tools · 39 in development

Hide Data in Any File Format

Professional steganography tools for PDF, SVG, audio, and Office documents. AES-256 encrypted. 100% client-side — your files never leave your browser.

AES-256 Encryption
Client-Side Only
Multi-Format
Free & No Logs

Live Tools

Ready to use — no sign-up, no uploads

PDF

PDF Steganography Hider

Hide secret text or files inside PDF documents.

5 steganography algorithms
AES-256 encryption
Basic, CTF & Expert modes
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PDF

PDF Steganography Extractor

Extract hidden messages and files from steganographic PDFs.

Auto-detect encoding method
Password decryption
Full extraction report
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SVG

SVG Steganography Hider

Hide data in vector graphics using 5 XML-native methods.

Comment, attribute & namespace hiding
Float coordinate LSB
Survives most platforms intact
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SVG

SVG Steganography Extractor

Extract data hidden inside SVG vector graphic files.

Multi-method detection
Auto-decode all 5 methods
AES-256 decryption support
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Audio

Audio Steganography Embedder

Hide text or files inside WAV audio with SNR quality report.

LSB 1–4 bit depth control
AES-256 encryption
SNR quality meter
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Audio

Audio Steganography Extractor

Extract hidden data from WAV steganography with CTF flag detection.

Auto-detect LSB bit depth
AES-256 decryption
CTF flag highlighting
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Document

Document Steganography Hider

Hide data inside DOCX, XLSX, PPTX, or ODT documents.

Custom XML Parts & ZIP comments
AES-256 encryption
All major Office formats
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Document

Document Steganography Extractor

Extract hidden payloads from DOCX/XLSX/PPTX/ODT documents.

Auto-detect OOXML & ZIP methods
Anomaly score analysis
CTF flag detection
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Binary

File Hider

Hide any file inside images, audio, or PDF. Creates polyglots.

JPEG, PNG, MP3, PDF carriers
AES-256 encryption
Multi-file ZIP bundling
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Binary

File Hider Extractor

Extract hidden files from polyglot carriers. Browser binwalk.

Auto-detect EPSTEGO marker
AES-256 decryption
CTF flag detection
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HTML

HTML Steganography Hider

Hide secret messages inside HTML files. Zero visible change in any browser.

Zero-width chars, comments, whitespace
Attribute order & case variation
AES-256 encrypted
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HTML

HTML Steganography Extractor

Find hidden data in HTML files. Zero-width visualizer, anomaly scoring, CTF flags.

Auto-detect all 6 methods
Zero-width char visualizer
HTML anomaly score 0–100
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Image

Image Steganography Hider

Hide secret text or files inside PNG, WebP, or BMP images with PSNR quality report.

LSB, Adaptive LSB, DCT, Spread Spectrum
AES-256 encryption
PSNR + Stealth Score
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Image

Image Steganography Extractor

Extract hidden data from images. Auto-detect, bit plane visualization, CTF flag detection.

Auto-detect 8 algorithm configs
24-plane bit plane viewer
CTF flag + entropy analysis
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Image

Text-in-Image Hider

Hide secret text inside photos using adaptive LSB. PSNR/SSIM quality report, chi-square score, AES-256 encryption. Always outputs PNG.

Adaptive edge-priority LSB (first in browser)
PSNR + SSIM quality report post-encode
Chi-square vulnerability score
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Image

Text-in-Image Extractor

Find hidden text in any image. Auto-detects 11 LSB configs. Bit plane viewer, chi-square pre-scan, CTF flag detection. Browser alternative to zsteg and Stegsolve.

Auto-detect 11 LSB configurations
Bit plane viewer (24 planes, browser-native)
CTF flag detection + forensic report
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Video

Video Steganography Hider

Hide secret messages or files inside MP4, AVI, MKV, MOV, or WebM videos.

Frame LSB, Audio Track, Metadata
AES-256-GCM encryption
Reed-Solomon error correction
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Video

Video Steganography Extractor

Detect and extract hidden payloads from video files. Auto-detect with CTF flag detection.

Auto-detect all 3 methods
Entropy + kind analysis
CTF flag detection
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Text

Text Steganography Hider

Hide messages in plain text using trailing whitespace, Unicode spaces, or homoglyph substitution.

4 structural methods including trailing whitespace
Platform survival matrix
Batch watermarking via HMAC
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Text

Text Steganography Extractor

Detect and extract hidden payloads from suspicious text. Anomaly analysis, watermark attribution.

Auto-detect all 4 methods
Live anomaly scoring
Watermark attribution
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Analyzer

Steganography Analyzer

Detect hidden steganographic content in images using Chi-Square, RS Analysis, Sample Pairs & Primary Sets. No upload — 100% client-side forensic analysis.

4 statistical tests + fusion score
Bit plane viewer (24 planes)
Forensic JSON report + batch mode
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CTF Tool

StegSolve Online

Full StegSolve.jar in your browser — no Java, no install. 28 bit planes, auto-scan, chi-square LSB detection, brute-force extractor, PNG chunk analysis, stereogram solver.

28 bit planes across R/G/B/A channels
Chi-square + QR + PNG chunk auto-scan
255-combo brute-force extractor
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Text

Invisible Text Hider

Hide secret messages inside any visible text using zero-width Unicode characters. Visually identical — undetectable by eye.

Zero-width Unicode (U+200B/200C/FEFF)
AES-256 encryption + Reed-Solomon
Plausible deniability mode
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Text

Invisible Text Extractor

Detect and extract zero-width hidden messages from any text. Visualise invisible chars, auto-detect encoding, CTF flag detection.

Auto-detect ZW character encoding
Zero-width char visualiser
CTF flag detection
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QR Code

QR Code Steganography Hider

Hide secret messages inside fully scannable QR codes. LSB pixel, module color, and PNG metadata methods — QR still scans normally.

3 hiding methods
AES-256 encryption
QR still 100% scannable
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QR Code

QR Code Steganography Extractor

Extract hidden payloads from steganographic QR codes. Auto-detects LSB, module color, and PNG metadata methods with QR anomaly scoring.

Auto-detect all 3 methods
QR anomaly score 0–100
CTF flag detection
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Image

Image-in-Image Hider

Hide a secret photo invisibly inside a cover image. Variable bit depth, channel selection, PSNR/SSIM report, AES-256 encryption.

1–4 bit depth + channel select
PSNR + SSIM quality report
AES-256 encrypted secret
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Image

Image-in-Image Extractor

Extract hidden images from stego photos. Auto-detects 12 configurations. Bit plane visualizer, pre-scan anomaly detection, forensic report.

Auto-detect 12 configs
24-plane bit plane viewer
SHA-256 forensic report
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Image

LSB Embedder

Hide text or files in PNG/BMP images using LSB steganography. Sequential or PRNG pixel order, 1–4 bit depth, AES-256 encryption, real-time stealth score.

Sequential & PRNG pixel order
1–4 bit depth + channel select
AES-256-GCM + stealth score
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Image

LSB Extractor

Extract hidden LSB steganography from PNG/BMP. Auto-detects LSBSTEG format. Ranked scan (10 CTF configs). Bit plane viewer, flag detector. Browser zsteg alternative.

Auto LSTG header detection
Ranked scan — 10 CTF patterns
24-plane bit plane viewer + flags
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Image

Image Watermark Embedder

Add visible copyright overlay and invisible DWT+DCT frequency watermark to any image. Robustness survival test. No upload — 100% client-side.

Visible text overlay + logo tile mode
Invisible DWT+DCT (4 strength levels)
Robustness test — JPEG/social media
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Image

Image Watermark Detector

Detect 5 watermark types in any image: visible overlay, LSB tracking, DWT+DCT invisible copyright, AI generation markers, and EXIF metadata. No upload.

5-category detection in one pass
AI generation markers (SynthID-like)
Risk score + legal recommendation
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Audio

MP3 Steganography Embedder

Hide secret text inside MP3 audio files using ID3v2 tag, frame padding, or part2_3_length parity (MP3Stego-style). AES-256 encrypted. No upload.

3 methods: ID3v2 / Padding / Parity
MP3Stego-style parity method for CTF
AES-256-GCM + platform survival guide
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Audio

MP3 Steganography Extractor

Extract hidden messages from MP3 files. Auto-detects ID3v2, frame padding, and parity methods (MP3Stego-style). CTF flag detection. No upload.

Auto-detect 3 methods + CTF scoring
MP3Stego-style parity decode
Flag detector + forensic JSON report
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GIF

GIF Steganography Hider

Hide secret text or files inside GIF images. Supports animated GIFs via GCT-LSB, LCT-LSB, and Comment Block methods. AES-256 encrypted.

GCT-LSB, LCT-LSB, Comment Block
Animated GIF support
AES-256 encryption
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GIF

GIF Steganography Extractor

Extract hidden data from GIF images. Auto-detects GCT-LSB, LCT-LSB, and Comment methods. CTF brute-force mode included.

Auto-detect 3 methods
Animated GIF extraction
CTF brute-force mode
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BMP

BMP Steganography Hider

Hide secret text or files inside BMP images using Pixel LSB, Palette LSB, or Reserved Bytes. Adjustable bit depth, AES-256 encryption.

Pixel LSB, Palette LSB, Reserved Bytes
1–4 bit depth, no recompression
AES-256 encryption
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BMP

BMP Steganography Extractor

Extract hidden data from BMP images. Auto-detect Pixel LSB, Palette LSB, and Reserved Bytes with variable bit depth.

Auto-detect 3 methods
Variable bit depth scan
CTF-ready forensic output
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EXIF

EXIF Data Hider

Embed hidden payloads inside JPEG EXIF metadata fields. Supports custom UserComment, Artist, Copyright, and extended XMP fields.

UserComment, Artist, Copyright fields
XMP extended metadata support
AES-256 encryption
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EXIF

EXIF Data Extractor

Extract and inspect EXIF metadata to recover hidden steganographic payloads. Forensic field-by-field view with suspicion scoring.

Full EXIF field inspector
Suspicion scoring per field
Forensic JSON report
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JPEG

JPEG Steganography Hider

Hide data inside real JPEG images using DCT-domain steganography (F5, JSteg) — embedded in the JPEG's own quantized DCT coefficients, not pixels. Also supports JPEG Comment/APP metadata storage.

F5 & JSteg — real DCT-domain steganography
Comment/APP metadata storage option
AES-256 encryption
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JPEG

JPEG Steganography Extractor

Extract hidden data from JPEG images encoded with F5, JSteg, or JPEG Comment/APP metadata. DCT scan mode, brute-force mode, and CTF heuristic guess mode included.

F5 & JSteg DCT-domain decoding
DCT scan mode + brute-force auto-detect
AES-256 decryption
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Unicode

Unicode Steganography Hider

Hide secret messages invisibly in plain text using zero-width characters, homoglyphs, and combining diacritics. Survives copy-paste.

Zero-width, homoglyph, diacritic methods
Invisible to plain-text viewers
Survives copy-paste & social media
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Unicode

Unicode Steganography Extractor

Detect and extract hidden messages from text using zero-width characters, homoglyphs, and diacritics. Auto-detect all methods.

Auto-detect 4 Unicode methods
Zero-width character inspector
CTF-ready output
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Other

Steganography Detector

Detect hidden steganography using 4 statistical algorithms: chi-square, RS analysis, sample pairs, primary sets. StegExpose-equivalent. WAV audio support.

4-algorithm fusion (StegExpose method)
Payload size estimate + method fingerprint
Batch scan 50 files — CSV export
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Binary

Binary Steganography Hider

Hide text or files inside any binary file — EXE, DLL, ZIP, JAR, ISO, firmware — using EOF appending, null cavity injection, PE/ELF section appending, or ZIP comment field.

EOF, Null Cavity, PE/ELF Section, ZIP Comment
AES-256 encryption + Reed-Solomon
Batch watermarking with attribution
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Binary

Binary Steganography Extractor

Extract hidden data from any binary file. Scan mode, brute-force auto-detect, PE/ELF section inventory, entropy heatmap, strings scanner, and CTF flag detector.

Brute-force auto-detect across 7 methods
Entropy heatmap + strings scanner
CTF flag detection
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Image

Color Channel Steganography Hider

Hide text or files in a specific RGB/Alpha color channel of a PNG or BMP. Visual channel breakdown, Blue Channel Priority mode, AES-256-GCM.

Choose R / G / B / Alpha channel
AES-256 encryption
Visual channel breakdown
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Image

Color Channel Steganography Extractor

Extract hidden data from a color channel of a PNG or BMP. COLSTEG auto-detect, bit plane viewer, 32-combination brute-force, CTF flag detector.

COLSTEG auto-detect
Bit plane viewer + brute-force
CTF flag detection
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Metadata

Metadata Steganography Hider

Hide text or files in PNG text chunks, PDF metadata fields, GIF comments, MP3 ID3 tags, or DOCX/XLSX custom properties. No pixels touched. AES-256-GCM.

8 metadata targets across 5 formats
AES-256 encryption
No pixel/audio data touched
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Metadata

Metadata Steganography Extractor

Extract hidden data from PNG chunks, PDF metadata, GIF comments, MP3 ID3 tags, or DOCX/XLSX properties. MSTEG auto-detect, full metadata viewer, CTF flag detector.

MSTEG auto-detect
Full metadata viewer
CTF flag detection
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Image

Pixel Value Differencing Hider

Hide text or files in a PNG/BMP using Pixel Value Differencing (Wu & Tsai, 2003) — edge pixels carry more bits, smooth pixels carry fewer. Edge capacity map, PDH histogram, PSNR/SSIM, AES-256-GCM.

Adaptive edge-aware embedding
PDH histogram + PSNR/SSIM
AES-256 encryption
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Image

Pixel Value Differencing Extractor

Extract hidden data from PVD-encoded PNG/BMP images. PVDSTEG v1 auto-detect, Pixel Difference Histogram (PDH) signature analysis, 6-config brute-force, AES-256-GCM decryption, CTF flag detector.

PVDSTEG auto-detect
PDH signature analysis
6-config brute-force
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Text

Whitespace Steganography Hider

Hide text in trailing spaces/tabs, double-spacing, line endings, or indentation.

4 whitespace methods
AES-256 encryption
Platform survival guide
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Text

Whitespace Steganography Extractor

Extract hidden data from trailing whitespace, inter-word spacing, line endings, or indentation. WSST auto-detect, brute-force.

WSST auto-detect
Brute-force across 4 methods
CTF flag detection
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More Formats Coming Soon

39+ additional tools in development across 5 new categories

41+ moreSoon

Built for Privacy & Power

100% Private

Everything runs in your browser. No uploads, no servers, no personal data collected — ever.

Multi-Format

PDF, SVG, WAV, DOCX, XLSX, PPTX, ODT — one platform for every file type.

AES-256 Encryption

Optional military-grade encryption built into every encoder — no external tools needed.

Common Use Cases

🎯

CTF Challenges

Create and solve forensics challenges for capture-the-flag competitions.

⚖️

Legal & Compliance

Embed ownership metadata and tamper-evident audit trails in documents.

📰

Journalism

Pass sensitive information in innocent-looking files without raising flags.

🔬

Security Research

Test steganalysis tools and build benchmark datasets for research.