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Every utility on SnapToolz, grouped by what it does. There are 110 tools across 13 categories — PDFs, images, audio, developer utilities, text manipulation, security, productivity, AI and more. They all run inside your browser using WebAssembly and modern web APIs; nothing is ever uploaded to a server.
Merge, split, compress, organize, repair, unlock, and edit PDFs.
Merge PDF
Combine PDFs in the order you want — drag to reorder.
Split PDF
Extract pages or split into multiple documents at once.
Compress PDF
Reduce file size while keeping the best possible quality.
Rotate PDF
Rotate individual pages or the entire document.
Organize PDF
Reorder, rotate, and delete pages with thumbnail previews.
Repair PDF
Fix damaged or partially corrupt PDF files.
Unlock PDF
Remove edit and print restrictions from owner-locked PDFs.
Edit Metadata
View, edit, or strip the metadata stored inside a PDF.
Add Page NumbersNew
Add page numbers to every page — choose position, format and start.
Add WatermarkNew
Stamp every page with text or an image. Adjust opacity and rotation.
Extract PagesNew
Pick the pages you want — get them combined into a brand-new PDF.
Crop PDFNew
Trim margins from every page — non-destructive, no content lost.
Sign PDFNew
Draw your signature, place it on any page, download a signed copy.
PDF to WordNew
Convert a PDF's text content into an editable .docx file. 100% in your browser, no upload.
Word to PDFNew
Convert a .docx Word document to PDF — paragraphs, headings, bold/italic, lists. Browser-only.
PDF to ExcelNew
Extract tabular data from a PDF into an editable .xlsx workbook. Heuristic row + column detection, browser-only.
Excel to PDFNew
Render an .xlsx workbook to PDF, sheet by sheet. Auto-fit columns, repeating header. Browser-only.
PDF EditorNew
Annotate, highlight, redact and add text to any PDF, page by page. Original content preserved.
Word EditorNew
Open a .docx and edit headings, paragraphs, lists and run styles in your browser. Save back as Word.
PDFs, images, colours, units, timestamps and text encodings.
PDF to JPG
Convert each PDF page into a high-quality image.
JPG to PDF
Combine multiple images into one PDF — drag to reorder.
Color ConverterNew
HEX, RGB, HSL, HSV, CMYK with sliders and WCAG contrast.
Unit ConverterNew
Length, weight, volume, area, temperature, time, data, energy.
Timestamp ConverterNew
Unix ↔ ISO ↔ human dates, with timezone viewer.
Text EncodingNew
UTF-8 ↔ hex ↔ binary ↔ octal ↔ decimal byte representations.
Compress, resize, crop, convert and pick colours from images.
Compress Image
Shrink JPEG, PNG, and WebP without visible quality loss.
Resize Image
Change dimensions with high-quality resampling.
Convert Image
Convert between PNG, JPG, and WebP in seconds.
Crop ImageNew
Crop with aspect-ratio presets — square, 16:9, portrait, freeform.
Pick Colour from ImageNew
Click anywhere on an image to read its HEX, RGB and HSL values.
View EXIF MetadataNew
Read camera, date, GPS and shooting data from any image — locally.
Remove EXIF MetadataNew
Strip camera, GPS and other metadata from photos before sharing.
Bulk Image RenamerNew
Rename many images at once — sequential numbers, prefixes, ZIP export.
Screenshot OrganizerNew
Sort, group and rename batches of screenshots. Detect duplicates and export as ZIP.
Duplicate Image FinderNew
Find exact and near-duplicate images locally with perceptual hashing.
Color Palette ExtractorNew
Pull dominant colours out of any image. Copy HEX, RGB, HSL — download palette PNG.
Trim audio in your browser — no uploads.
Audio TrimmerNew
Trim and clip an audio file — drag the waveform handles.
Video CompressorNew
Compress MP4/MOV/WebM videos with H.264 in your browser via ffmpeg.wasm. Configurable quality + resolution. Nothing uploaded.
Video TrimmerNew
Cut a clip from any video in your browser. Fast stream-copy by default, frame-accurate re-encode if you need it.
Video to GIFNew
Convert a video clip to an animated GIF with two-pass palette extraction. Custom FPS + height. ffmpeg.wasm.
Audio ExtractorNew
Pull the audio track out of any video as MP3, WAV, AAC, or OGG. Configurable bitrate. ffmpeg.wasm in your browser.
Calculator, timer, world clock, age, tip splitter, BMI, loans.
CalculatorNew
Scientific calculator with parentheses, sin/cos/log and a history.
Stopwatch & TimerNew
Stopwatch with laps and a countdown timer with sound.
World ClockNew
Current time across cities — see offsets vs your local timezone.
Age CalculatorNew
Years, months, days lived — plus days until your next birthday.
Tip & Bill SplitterNew
Split a bill, calculate tip, round up the per-person total.
BMI CalculatorNew
Body mass index with healthy weight range. Metric + imperial.
Loan / EMI CalculatorNew
Equated monthly instalment, total interest, full amortization schedule. Multi-currency.
Date DifferenceNew
Time between two dates in years, months, days, weeks, hours. Workday counter. Add/subtract days mode.
JSON, JWT, regex, hashes, base64 and URL encoding.
JSON Formatter
Format, minify, sort keys, and validate JSON instantly.
Base64
Encode text or files to Base64, decode safely.
URL Encoder
Percent-encode, decode, and parse query strings.
Hash Generator
Generate SHA-256, SHA-512, SHA-1, and SHA-384 hashes.
ScratchpadNew
Local snippet store for JSON, regex, JWT samples. IndexedDB-backed.
JWT DecoderNew
Decode any JSON Web Token, inspect header, payload, expiry.
Regex TesterNew
Test JavaScript regex with live highlighting and replace mode.
UUID GeneratorNew
Generate v4 random or v7 time-ordered UUIDs. Bulk up to 1000. Copy as txt / json / csv.
CSS Gradient GeneratorNew
Build linear, radial, conic gradients visually. Copy CSS, Tailwind, or SVG. Curated palette presets.
Cron Expression BuilderNew
Build + validate cron schedules with a visual editor. Live human-readable description. Next-fire-time preview.
Mock Data GeneratorNew
Generate fake names, emails, phones, addresses, dates for testing. Export JSON, CSV, or SQL INSERT.
Clean, dedupe, count, diff, and render markdown.
Text Case
Convert between camelCase, snake_case, kebab-case, and more.
Word Counter
Count words, characters, sentences — analyse reading time.
OCR
Extract text from images or scanned PDFs in 13 languages.
Remove DuplicatesNew
Strip duplicate lines. Optionally sort or reverse the result.
Text CleanerNew
Normalise whitespace, line endings, smart quotes and invisibles.
Markdown PreviewNew
Render GitHub-flavoured markdown live with safe HTML output.
Text DiffNew
Compare two pieces of text — line, word, or character mode.
Lorem Ipsum GeneratorNew
Placeholder text for mockups — paragraphs, sentences, words or list items. Plain / HTML / Markdown.
Markdown ↔ HTML ConverterNew
Convert Markdown to HTML and back. Live two-pane preview. Copy or download. All client-side.
Generate strong passwords, tokens, hashes, and encrypt with AES.
Password GeneratorNew
Cryptographically-strong passwords + strength checker.
Random TokenNew
Generate UUIDs, API keys, and random strings.
AES EncryptionNew
Encrypt and decrypt text with AES-256-GCM. Passphrase only.
Password Strength VisualizerNew
Audit any password — entropy, character classes, time-to-crack at 5 attack rates.
Browser Permission CheckerNew
See which permissions your browser allows and detect supported APIs — WebGPU, Workers, more.
QR Code InspectorNew
Scan a QR image and analyse its payload for phishing red flags — Punycode, shorteners, mixed scripts.
ZIP extraction, CSV/JSON conversion and file size analysis.
CSV ↔ JSONNew
Convert between CSV and JSON with table preview.
ZIP Creator & ExtractorNew
Create ZIP archives or inspect and extract them — all in your browser.
Filename CleanerNew
Turn messy filenames into clean SEO-friendly slugs. Batch rename + ZIP export.
File Size AnalyzerNew
Visual breakdown of file sizes by extension.
QR codes, favicons, and asset generators.
QR Generator
Generate scannable QR codes for URLs, text, and Wi-Fi.
Favicon GeneratorNew
Build a complete favicon set from a letter or your own image.
YouTube Thumbnail DownloaderNew
Get the public thumbnail for any YouTube video — paste URL or ID.
YouTube Thumbnail ResizerNew
Resize any image to YouTube's 1280×720 thumbnail size or Shorts vertical.
Shorts Thumbnail GeneratorNew
Compose a 9:16 cover with bold headline text — Shorts, Reels, TikTok.
Instagram Reel Cover CropperNew
Crop any image to Reel cover dimensions with a feed-crop safe-area overlay.
Instagram Grid SplitterNew
Split a single image into a 3×3 (or any) grid for carousel-style posting.
Story Aspect Ratio ConverterNew
Convert any image to common social aspect ratios — Stories, Reels, posts.
Social Safe Area CheckerNew
Overlay UI safe-area guides for Instagram, YouTube and TikTok layouts.
Social Compression ToolkitNew
Compress images to per-platform presets — Instagram, YouTube, X, LinkedIn, WhatsApp.
Meme GeneratorNew
Classic top-and-bottom meme captions over any image. Impact font, white fill, black stroke.
Thumbnail Text OverlayNew
Drop any image and add headline + subhead text with full styling — fonts, colours, stroke, shadow, position.
TikTok Cover MakerNew
Compose a 1080×1920 TikTok cover with safe-area overlay and a 1:1 profile-thumb preview.
Pomodoro timer, offline notes and task lists.
Pomodoro TimerNew
Stay focused with the classic 25-5 workflow.
NotesNew
Quick offline notes saved to IndexedDB.
TasksNew
Simple offline to-do list with priorities.
Habit TrackerNew
Daily checkmarks with streak tracking — saved offline.
Document EditorNew
Rich-text word processor with headings, lists, tables, images, alignment, colors and undo/redo. Autosaves locally; export .docx or .html.
Spreadsheet EditorNew
Cells, formulas, multi-sheet workbooks, formatting, sorting and keyboard navigation. Open .xlsx/.csv, export .xlsx/.csv. Fully offline.
Token counters, prompt formatters, and prep utilities for LLM workflows.
AI Token CounterNew
Estimate token counts for GPT-4, GPT-4o, Claude, Gemini and Llama from any text.
AI Background RemoverNew
Remove image backgrounds with an on-device AI model. Downloads once (~25MB), then works offline. Your photos never leave your browser.
AI Image UpscalerNew
Double image resolution with on-device AI super-resolution. Sharper edges, recovered detail. Model downloads once (~50MB), then offline.
AI Voice TranscriptionNew
Whisper speech-to-text running on-device. 15 languages, SRT/VTT subtitles. Audio never leaves your browser.
Prompt Formatter & CleanerNew
Format, clean and JSON-escape your prompts — strip invisible chars, fix smart quotes, embed safely.
Annotate, redact, frame and beautify screenshots for docs and social.
Resume BuilderNew
Build a clean one-page resume in your browser. Modern + classic templates. Live form, PDF export, autosave. Nothing uploaded.
Invoice BuilderNew
Professional invoices with multi-currency support, auto-totals, tax. Export as PDF. Saves locally.
Screenshot AnnotatorNew
Add arrows, boxes, highlights, blurs and text labels to any screenshot. Undo/redo, drag handles, PNG/JPG export.
Blur Sensitive InfoNew
Drag rectangles to blur, pixelate or black-bar private info — emails, IDs, faces, API keys.
Window Mockup GeneratorNew
Wrap any screenshot in a macOS, Windows or terminal window frame. Customisable shadow and padding.
Code Screenshot BeautifierNew
Paste code, get a syntax-highlighted screenshot wrapped in a window — perfect for docs and tweets.
Device Frame GeneratorNew
Wrap a screenshot in a phone, tablet, laptop or monitor frame for app store and marketing shots.
We add tools regularly. If something is missing — or you spot a bug — drop us a line.
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