110+ smart tools for PDFs, images, developers, and productivity — running directly in your browser with no uploads, no accounts, and no tracking.
Showing 110 tools
Merge, split, compress and edit PDFs.
Combine PDFs in the order you want — drag to reorder.
Extract pages or split into multiple documents at once.
Reduce file size while keeping the best possible quality.
Rotate individual pages or the entire document.
Reorder, rotate, and delete pages with thumbnail previews.
Fix damaged or partially corrupt PDF files.
Remove edit and print restrictions from owner-locked PDFs.
View, edit, or strip the metadata stored inside a PDF.
Add page numbers to every page — choose position, format and start.
Stamp every page with text or an image. Adjust opacity and rotation.
Pick the pages you want — get them combined into a brand-new PDF.
Trim margins from every page — non-destructive, no content lost.
Draw your signature, place it on any page, download a signed copy.
Convert a PDF's text content into an editable Word .docx — browser-only.
Convert a Word .docx document to PDF — paragraphs, headings, lists. Browser-only.
Extract tabular data from a PDF into an editable .xlsx — browser-only.
Render an .xlsx workbook to PDF, sheet by sheet — browser-only.
Annotate, highlight, redact and add text to any PDF — page by page, browser-only.
Open and edit .docx in your browser — headings, lists, bold/italic/underline. Save back as Word.
Convert between formats and units.
Convert each PDF page into a high-quality image.
Combine multiple images into one PDF — drag to reorder.
HEX, RGB, HSL, HSV, CMYK with sliders and WCAG contrast.
Length, weight, volume, area, temperature, time, data, energy.
Unix ↔ ISO ↔ human dates, with timezone viewer.
UTF-8 ↔ hex ↔ binary ↔ octal ↔ decimal byte representations.
Compress, resize, crop and convert images.
Shrink JPEG, PNG, and WebP without visible quality loss.
Change dimensions with high-quality resampling.
Convert between PNG, JPG, and WebP in seconds.
Crop with aspect-ratio presets — square, 16:9, portrait, freeform.
Click anywhere on an image to read its HEX, RGB and HSL values.
Read camera, date, GPS and shooting data from any image — locally.
Strip camera, GPS and other metadata from photos before sharing.
Rename many images at once — sequential numbers, prefixes, ZIP export.
Sort, group and rename batches of screenshots. Detect duplicates and export as ZIP.
Find exact and near-duplicate images locally with perceptual hashing.
Pull dominant colours out of any image. Copy HEX, RGB, HSL — download palette PNG.
Trim and edit media files.
Trim and clip an audio file — drag the waveform handles.
Compress MP4/MOV/WebM videos with H.264 in your browser via ffmpeg.wasm. Configurable quality + resolution. Nothing uploaded.
Cut a clip from any video in your browser. Fast stream-copy by default, frame-accurate re-encode if you need it.
Convert a video clip to an animated GIF with two-pass palette extraction. Custom FPS + height. ffmpeg.wasm.
Pull the audio track out of any video as MP3, WAV, AAC, or OGG. Configurable bitrate. ffmpeg.wasm in your browser.
Calculators, timers, converters.
Scientific calculator with parentheses, sin/cos/log and a history.
Stopwatch with laps and a countdown timer with sound.
Current time across cities — see offsets vs your local timezone.
Years, months, days lived — plus days until your next birthday.
Split a bill, calculate tip, round up the per-person total.
Body mass index with healthy weight range. Metric + imperial.
Equated monthly instalment, total interest, full amortization schedule. Multi-currency.
Time between two dates in years, months, days, weeks, hours. Workday counter. Add/subtract days mode.
JSON, JWT, regex, hashing.
Format, minify, sort keys, and validate JSON instantly.
Encode text or files to Base64, decode safely.
Percent-encode, decode, and parse query strings.
Generate SHA-256, SHA-512, SHA-1, and SHA-384 hashes.
Local snippet store for JSON, regex, JWT samples. IndexedDB-backed.
Decode any JSON Web Token, inspect header, payload, expiry.
Test JavaScript regex with live highlighting and replace mode.
Generate v4 random or v7 time-ordered UUIDs. Bulk up to 1000. Copy as txt / json / csv.
Build linear, radial, conic gradients visually. Copy CSS, Tailwind, or SVG. Curated palette presets.
Build + validate cron schedules with a visual editor. Live human-readable description. Next-fire-time preview.
Generate fake names, emails, phones, addresses, dates for testing. Export JSON, CSV, or SQL INSERT.
Diff, dedupe, clean and format text.
Convert between camelCase, snake_case, kebab-case, and more.
Count words, characters, sentences — analyse reading time.
Extract text from images or scanned PDFs in 13 languages.
Strip duplicate lines. Optionally sort or reverse the result.
Normalise whitespace, line endings, smart quotes and invisibles.
Render GitHub-flavoured markdown live with safe HTML output.
Compare two pieces of text — line, word, or character mode.
Placeholder text for mockups — paragraphs, sentences, words or list items. Plain / HTML / Markdown.
Convert Markdown to HTML and back. Live two-pane preview. Copy or download. All client-side.
Passwords, tokens and encryption.
Cryptographically-strong passwords + strength checker.
Generate UUIDs, API keys, and random strings.
Encrypt and decrypt text with AES-256-GCM. Passphrase only.
Audit any password — entropy, character classes and time-to-crack.
See which permissions are granted and detect supported APIs.
Scan a QR image and analyse its payload for phishing red flags.
Hash and inspect files.
Convert between CSV and JSON with table preview.
Create ZIP archives or inspect and extract them — all in your browser.
Turn messy filenames into clean SEO-friendly slugs. Batch rename + ZIP export.
Visual breakdown of file sizes by extension.
QR codes, favicons and assets.
Generate scannable QR codes for URLs, text, and Wi-Fi.
Build a complete favicon set from a letter or your own image.
Get the public thumbnail for any YouTube video — paste URL or ID.
Resize images to YouTube's 1280×720 thumbnail or 1080×1920 Shorts cover.
Compose a 9:16 vertical cover with bold headline text.
Crop to Reel cover dimensions with a feed-crop safe-area overlay.
Split a single image into a grid of tiles for carousel-style posting.
Convert images to common social aspect ratios with crop, pad, or blur fill.
Overlay UI safe-area guides for Instagram, YouTube and TikTok.
Per-platform compression presets for IG, YouTube, X, LinkedIn, WhatsApp.
Classic top + bottom captions in Impact font over any image.
Add headline + subhead text to any image with full styling control.
Compose a 1080×1920 TikTok cover with safe-area overlay and 1:1 thumb preview.
Notes, habits, focus timers.
Stay focused with the classic 25-5 workflow.
Quick offline notes saved to IndexedDB.
Simple offline to-do list with priorities.
Daily checkmarks with streak tracking — saved offline.
Rich-text word processor with headings, lists, tables, images, alignment, colors and undo/redo. Autosaves locally; export .docx or .html.
Cells, formulas, multi-sheet workbooks, formatting, sorting and keyboard navigation. Open .xlsx/.csv, export .xlsx/.csv. Fully offline.
Token counters, prompt formatters and LLM utilities.
Estimate token counts for GPT-4, GPT-4o, Claude, Gemini and Llama.
Remove image backgrounds with an on-device AI model. Downloads once (~25MB), then works offline. Your photos never leave your browser.
Double image resolution with on-device AI super-resolution. Sharper edges, recovered detail. Model downloads once (~50MB), then offline.
Whisper speech-to-text running on-device. 15 languages, SRT/VTT subtitles. Audio never leaves your browser.
Format, clean and JSON-escape your prompts — strip invisible characters and fix smart quotes.
Annotate, redact, frame and beautify screenshots.
Build a clean one-page resume in your browser. Modern + classic templates. Live form, PDF export, autosave. Nothing uploaded.
Professional invoices with multi-currency support, auto-totals, tax. Export as PDF. Saves locally.
Add arrows, boxes, highlights, blurs and text labels to any screenshot.
Blur, pixelate or black-bar private regions before sharing screenshots.
Wrap any screenshot in a macOS, Windows or terminal window frame.
Paste code, get a syntax-highlighted screenshot wrapped in a window.
Wrap a screenshot in a phone, tablet, laptop or monitor frame.
Everything runs locally in your browser. No uploads, no accounts, no tracking.
Learn more about SnapToolz