Drop a PDF here, or click to select
Fill existing fields or place text, checks, dates, and signatures.
PDF Form Filler opens fillable PDF forms directly in your browser.
Many PDFs look like forms but do not contain interactive fields. For those documents, add your own text, checkmarks, dates, and visual signatures anywhere on the page. Added items can be selected, edited, resized, recolored, moved, or deleted before the filled PDF is downloaded.
Typed and drawn signatures are visible marks and are not certificate-based digital signatures. The optional flatten setting turns supported built-in form fields into regular page content, which can help prevent accidental edits after completion. Keep fields unflattened when the recipient still needs to edit them.
Password-protected or permission-restricted PDFs may need to be unlocked by their owner before they can be edited.
Related tools: Flatten PDF · Sign PDF · PDF Page Organizer
Code Formatters
Format and beautify Java, Python, JavaScript, JSON, HTML and more; adjust indentation, spacing and line breaks.
Audio Editing & Effects
Trim, join or split recordings, remove silence or noise, and adjust volume, speed, pitch or channels.
- Audio Editor
- Audio Joiner
- Audio Splitter
- Silence Remover
- Audio Normalizer
- Audio Volume Changer
- Audio Equalizer
- AI Audio Noise Reducer
- Audio Effects
- Reverse Audio
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- Audio Speed Changer
- Audio Visualizer Video
- Audio Waveform Generator
- Audio Fade In/Out
- Audio Pitch Changer
- Audio Spectrogram
- Metronome
- Tone Generator
- CUE Splitter
- Ringtone Maker
- BPM Detector
- Online Instrument Tuner
- LUFS Loudness Meter
- Audio Loop Maker
- Music Key Finder
- Noise Generator
- 8D Audio Converter
Spreadsheet Tools
Open and edit CSV or Excel sheets, format tabular text, and convert CSV to Excel or SQL.
Markdown Tools
Write and preview Markdown, render Mermaid diagrams, and convert Markdown, HTML and tables between formats.
Text Tools
Compare passages, count words and keywords, sort or replace lines, and view DOCX text.
Audio Conversion & Playback
Convert between MP3, WAV, FLAC and more, play audio or raw PCM, and inspect or edit audio metadata.
JSON & Data Tools
Inspect, compare and validate JSON; test JSONPath expressions, or convert data to CSV, YAML and XML.
Speech Tools
Transcribe audio to text, generate speech from text, or record your voice in the browser.
Video Tools
Convert and compress video, trim or join clips, resize frames, and extract audio.
Video Playback & Recording
Play local or streaming video, record your screen or camera, and use your camera as an online mirror.
PDF Tools
Compress or merge PDFs, split and rearrange pages, convert pages to images, and view or compare documents.
- Merge PDF
- PDF N-up
- PDF Compressor
- PDF to Images
- Text to PDF
- Markdown to PDF
- Images to PDF
- JPG to PDF
- Split PDF
- PDF Watermark
More tools
- PDF Image Extractor
- PDF to Long Image
- Long Image to PDF
- PDF Spread Splitter
- PDF Booklet Maker
- Protect PDF
- Unlock PDF
- PDF Cropper
- PDF Page Organizer
- Rotate PDF
- Add PDF Page Numbers
- PDF Viewer
- PDF Compare
- PDF to JPG
- PDF to Text
- PDF OCR
- PDF Metadata
- PDF Redactor
- Sign PDF
- PDF Form Filler
- Flatten PDF
- Resize PDF
- Grayscale PDF
- Repair PDF
- Web Optimize PDF
- PDF Bookmark Editor
- Extract PDF Attachments
- Deskew PDF
- PDF Annotator
Image Tools
Convert image formats, resize or crop photos, compress files, compare pictures, and extract text with OCR.
Image Creation
Capture and beautify screenshots, turn text into images or GIFs, draw on a whiteboard, and create word clouds or favicons.
Subtitle Tools
Edit SRT or VTT captions with a video preview, shift timing, convert formats, and manage subtitle tracks.
Archive Tools
Open ZIP, 7Z, RAR or TAR files, extract selected contents, and create new archives with optional ZIP/7Z passwords.
Encoders | Decoders
Encode and decode Base64 or Base32, escape URLs, HTML and Unicode text, and inspect JWT contents.
- Base64 Encode
- URL Encode
- Base32 Encode
- Base58 Encode
- Base85 Encode
- URL Parser
- HTML Entity Escape
- Unicode Escape
- JWT Decoder & Verifier
- String Escape
More tools
Number Tools
Convert number bases and values between binary, decimal and hex; turn numbers into words or text into binary.
Calculators
Work out percentages and fractions, summarize statistics, and calculate grades, discounts or aspect ratios.
Time Tools
Show an online clock, run a countdown or stopwatch, and calculate dates, ages or time-zone differences.
- Countdown Timer
- Stopwatch
- Date Calculator
- Online Clock
- Age Calculator
- Time Calculator
- Time Unit Converter
- Unix Timestamp
- Time Zone Converter
- Pomodoro Timer
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Network Tools
Check your IP and IPv6 connection, inspect HTTP requests or HAR files, and calculate CIDR address ranges.
Unit Conversions
Convert length, weight, temperature, data storage and other units.
Color Tools
Convert HEX, RGB and HSL values, extract colors from an image, check contrast, or test your display with solid colors.
QR Codes & Barcodes
Generate and scan QR codes or barcodes, including QR codes for links and Wi-Fi networks.
Developer & Security Tools
Generate hashes, UUIDs and passwords, test regular expressions, create URL slugs and check file permissions.
- Hash Generator
- UUID Generator
- UUID v7 Generator
- ULID Generator
- Regex Tester
- Slug Generator
- HMAC Generator
- Unix Permissions Calculator
- SQL IN List Converter
- Random Number Generator
More tools
Utility Tools
Check screen resolution and refresh rate, measure with a screen ruler, test keys, or read from a teleprompter.
Games
2048, Minesweeper, Sudoku, Gomoku, Tank Battle